asperrubrol

A methyl ester derived from (2Z,4E,6E,8E,10E,12E)-3-hydroxy-2,12-dimethyl-13-phenyltrideca-2,4,6,8,10,12-hexaenoic acid. Originally isolated from Aspergillus niger.


category: biolink:BiologicalProcess biolink:Occurrent biolink:OntologyClass biolink:BiologicalProcessOrActivity biolink:BiologicalEntity biolink:ThingWithTaxon biolink:NamedThing biolink:PhysicalEssenceOrOccurrent

description: The acetylation of the N-terminal threonine of proteins to form the derivative N-acetyl-L-threonine; catalyzed by peptide alpha-N-acetyltransferase.


tRNA wobble base lysidine biosynthesis

description: The process in which the carbonyl of cytosine at position 34 of a tRNA is post-transcriptionally replaced by lysine.


tRNA wobble cytosine modification

description: The process in which a cytosine in position 34 of a tRNA is post-transcriptionally modified.


tRNA wobble base cytosine methylation

description: The process in which the base of cytosine at position 34 in the anticodon of a tRNA is post-transcriptionally methylated at the C5 position.


sodium 4-hydroxybenzoate

An organic sodium salt resulting from the replacement of the proton from the carboxy group of 4-hydroxybenzoic acid by a sodium ion.


O-ureido-L-serine

A serine derivative that is L-serine in which the hydroxyl hydrogen is replaced by a ureido group.


A branched alkane consisting of icosane bearing a single methyl substituent at position 2.


CRYPTOPLEURINE

An organic heteropentacyclic compound that is (14aR)-11,12,13,14,14a,15-hexahydro-9H-dibenzo[f,h]pyrido[1,2-b]isoquinoline substituted at positions 2, 3 and 6 by methoxy groups.


name: positive regulation of astrocyte chemotaxis

description: Any process that activates or increases the frequency, rate or extent of astrocyte chemotaxis.


potassium phosphate, dibasic

A potassium salt that is the dipotassium salt of phosphoric acid.


DICLOFENAC POTASSIUM

The potassium salt of diclofenac.


ethyl eosin

An organic potassium salt having 2,4,5,7-tetrabromo-9-{2-[(ethyloxy)carbonyl]phenyl}-3-oxo-3H-xanthen-6-olate as the counterion.


POTASSIUM SORBATE

A potassium salt having sorbate as the counterion.


name: potassium aluminium sulfate dodecahydrate

description: A hydrate resulting from the the formal combination of anhydrous potassium aluminium sulfate with 12 mol eq. of water.


potassium iodide

A metal iodide salt with a K(+) counterion. It is a scavenger of hydroxyl radicals.


CLAVULANATE POTASSIUM

A potassium salt having clavulanate as the counterion. It acts as a suicide inhibitor of bacterial beta-lactamase enzymes and has only weak anitbiotic activity when administered alone. However it can be used in combination with amoxicillin trihydrate (under the trade name Augmentin) for treatment of a variety of bacterial infections, where it prevents antibiotic inactivation by microbial lactamases.


potassium chromate

A potassium salt consisting of potassium and chromate ions in a 2:1 ratio.


POTASSIUM METAPHOSPHATE

A potassium salt of metaphosphoric acid.


CLORAZEPATE DIPOTASSIUM

The compound of monopotassium clorazepate with potassium hydroxide. It is used for the management of anxiety disorders, for the short-term relief of anxiety, as adjunctive therapy in the management of epilepsy, and for the symptomatic relief of acute alcohol withdrawal.


potassium chloride

A metal chloride salt with a K(+) counterion.


rose bengal

An organic potassium salt that is the dipotassium salt of 2,3,4,5-tetrachloro-6-(2,4,5,7-tetraiodo-6-hydroxy-3-oxoxanthen-9-yl)benzoic acid.


potassium bromide

A metal bromide salt with a K(+) counterion.


AZILSARTAN KAMEDOXOMIL

An organic potassium salt that is the monopotassium salt of azilsartan medoxomil. A prodrug for azilsartan, it is used for treatment of hypertension.


asulam-potassium

An organic potassium salt obtained by formal reaction of equimolar amounts of azulam and potassium. A dihydropteroate synthase inhibitor, it is used as a herbicide (mainly for killing bracken).


PENICILLIN G POTASSIUM

Organic potassium salt of benzylpenicillin.


torvanol A

An  organic potassium salt of torvanol A hydrogen sulfate. Isolated from the fruits of Solanum torvum, it exhibits antiviral activity against herpes simplex virus type 1.


potassium dichromate

A potassium salt that is the dipotassium salt of dichromic acid.


potassium acetate

A potassium salt comprising equal numbers of potassium and acetate ions


A potassium salt having 2-(4-carboxylatophenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide as the counterion.


POTASSIUM THIOCYANATE

A potassium salt which is the monopotassium salt of thiocyanic acid.


POTASH, SULFURATED

A potassium salt that is the dipotassium salt of carbonic acid.


potassium tetrathionate

A potassium salt composed of potassium and tetrathionate ions in a 2:1 ratio.


(R)-warfarin potassium

An organic potassium salt having 2-oxo-3-[(1R)-3-oxo-1-phenylbutyl]-2H-1-benzopyran-4-olate as the counterion (the racemate is warfarin potassium, an anticoagulant drug and rodenticide).


potassium phosphate

An inorganic potassium salt that is the tripotassium salt of phosphoric acid.


CLORAZEPATE MONOPOTASSIUM

The potassium salt of clorazepic acid.


calcium green 1

A xanthene dye-based amide comjugate.


karetazan-potassium

A potassium salt resulting from the reaction of equimolar amounts of karetazan and potassium hydroxide. It is used as a chemical hybridisation agent for commercial hybrid seed production. It is not approved for use within the European Union.


aminocyclopyrachlor-potassium

The potassium salt of aminocyclopyrachlor.


inorganic potassium salt

A potassium salt that lacks C-H bonds


potassium aluminium sulfate

A metal sulfate composed of potassium, aluminium and sulfate ions in the ration 1:1:2.


potassium hydrogencarbonate

A potassium salt that is the monopotassium salt of carbonic acid. It has fungicidal properties and is used in organic farming for the control of powdery mildew and apple scab.


potassium L-tartrate

The potassium salt of L-tartaric acid.


potassium formate

The potassium salt of formic acid.


POTASSIUM FLUORIDE

A fluoride salt having K+ as the counterion.


potassium citrate

The anhydrous form of the tripotassium salt of citric acid.


potassium phosphate, monobasic

A potassium salt in which dihydrogen phosphate(1-) is the counterion.


(S)-warfarin potassium

An organic potassium salt having 2-oxo-3-[(1S)-3-oxo-1-phenylbutyl]-2H-1-benzopyran-4-olate as the counterion (the racemate is warfarin potassium, an anticoagulant drug and rodenticide).


benazolin-potassium

The potassium salt of benazolin. It is used as a post-emergence herbicide for the control of annual weeds in crops.


potassium tellurite

A potassium salt consisting of potassium and tellurite ions in a 2:1 ratio.


potassium salt

Any alkali metal salt having potassium(1+) as the cation.


POTASSIUM SODIUM TARTRATE

The organic sodium and potassium salt of L-tartaric acid (mol ratio 1:1:1).


potassium nitrate

The inorganic nitrate salt of potassium.


potassium oxide

A metal oxide with formula K2O.


The organic potassium salt that is the potassium salt of 2-(N-morpholino)ethanesulfonic acid.


dicamba-potassium

An organic potassium salt of dicamba.


leucine N-acetyltransferase activity

category: biolink:MolecularActivity biolink:Occurrent biolink:OntologyClass biolink:BiologicalProcessOrActivity biolink:BiologicalEntity biolink:ThingWithTaxon biolink:NamedThing biolink:PhysicalEssenceOrOccurrent

description: Catalysis of the reaction: L-leucine + acetyl-CoA = N-acetyl-L-leucine + CoA + H+.


phenethicilloyl group

An acyl group formed from nucleophilic cleavage of the beta-lactam ring of phenethicillin


Breast Myoid Hamartoma

category: biolink:Disease biolink:DiseaseOrPhenotypicFeature biolink:BiologicalEntity biolink:ThingWithTaxon biolink:NamedThing

description: A breast hamartoma characterized by the predominance of a smooth muscle component.


An acyclic mixed acid anhydride that results from the formal condensation of the phosphoryl group of AMP with the carboxy group of 17-(4-hydroxyphenyl)heptadecanoic acid.


name: pectic arabinogalactan I metabolic process

description: The chemical reactions and pathways involving pectic arabinogalactan I, an alpha-(1,4)-linked D-galactopyranose backbone that is substituted with alpha-l-Araf residues via the O-3 of the D-galactose residues. Arabinogalactan I can be found as a side chain of rhamnogalacturonan I.


name: rhamnogalacturonan I side chain metabolic process

description: The chemical reactions and pathways involving the side chains of the pectin, rhamnogalacturonan I.


pectic arabinan metabolic process

description: The chemical reactions and pathways involving pectic arabinan, a polymer with an alpha-(1->5)-linked L-arabinofuranose (Araf) backbone that can be substituted with Araf-alpha-(1->2)-, Araf-alpha-(1->3)-, and/or Araf-alpha-(1->3)-Araf-alpha-(1->3)-side chains. Arabinan can be found as a side chain of the pectin rhamnogalacturonan I.


pectic galactan metabolic process

description: The chemical reactions and pathways involving galactan, a polymer of D-galactosyl units that can be found as a side chain of the pectin rhamnogalacturonan I.


MEPIVACAINE HYDROCHLORIDE

The hydrochloride salt of mepivacaine. It is used as a local anaesthetic.


description: Catalysis of the reaction: fructose-6-phosphate + diphosphate = phosphate + fructose-1,6-bisphosphate.


phosphofructokinase activity

description: Catalysis of the transfer of a phosphate group, usually from ATP, to a phosphofructose substrate molecule.


6-phosphofructo-2-kinase activity

description: Catalysis of the reaction: beta-D-fructose 6-phosphate + ATP = beta-D-fructose 2,6-bisphosphate + ADP + 2 H+.


1-phosphofructokinase activity

description: Catalysis of the reaction: ATP + D-fructose 1-phosphate = ADP + D-fructose 1,6-bisphosphate.


6-phosphofructokinase activity

description: Catalysis of the reaction: ATP + D-fructose-6-phosphate = ADP + D-fructose 1,6-bisphosphate.


name: negative regulation of cellooligosaccharide metabolic process

description: Any process that stops, prevents or reduces the frequency, rate or extent of cellooligosaccharide metabolic process.


name: regulation of cellooligosaccharide metabolic process

description: Any process that modulates the frequency, rate or extent of cellooligosaccharide metabolic process.


name: positive regulation of cellooligosaccharide catabolic process

description: Any process that activates or increases the frequency, rate or extent of cellooligosaccharide catabolic process.


name: positive regulation of cellooligosaccharide metabolic process

description: Any process that activates or increases the frequency, rate or extent of cellooligosaccharide metabolic process.


name: negative regulation of cellooligosaccharide catabolic process

description: Any process that stops, prevents or reduces the frequency, rate or extent of cellooligosaccharide catabolic process.


name: regulation of cellooligosaccharide catabolic process

description: Any process that modulates the frequency, rate or extent of cellooligosaccharide catabolic process.


cefodizime

A cephalosporin compound having 5-(carboxymethyl)-4-methyl-1,3-thiazol-2-yl]sulfanyl}methyl and [2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino side groups located at positions 3 and 7 respectively.


An N-{2-[1,1'-bi(cyclopropyl)-2-yl]phenyl}-3-(difluoromethyl)-1-methyl-1pyrazole-4-carboxamide that is the trans-(1R,2S)-diastereomer of sedaxane.


A butan-4-olide having a 3-bromopropyl group at the 3-position and two methyl substituents at the 5-position.


callophycol A

A dibromophenol that is 2,4-dibromophenol substituted at position 6 by a decahydronaphthalen-1-ylmethyl group which in turn is substituted by a bromo, 3-bromo-4-chloro-4-methylpentyl group, two methyl groups and a methylidene group at positions 6, 5, 5, 8a and 2 respectively. A diterpenoid isolated from the Fijian red alga Callophycus serratus, it exhibits antibacterial, antimalarial and anticancer activities.


FENPROPIMORPH

A racemate comprising equimolar amounts of (R)- and (S)-fenpropimorph. It is a systemic fungicide, used to control a variety of fungal diseases in cereal crops.


nuclear matrix organization

description: A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of the nuclear matrix, the dense fibrillar network lying on the inner side of the nuclear membrane.


name: nuclear matrix anchoring at nuclear membrane

description: The process in which the nuclear matrix, the dense fibrillar network lying on the inner side of the nuclear membrane, is directly or indirectly linked to the nuclear membrane.


WITHALONGOLIDE B

A withanolide that is 27-deoxywithaferin A substituted by a hydroxy group at position 19. Isolated from Physalis longifolia, it exhibits antineoplastic activity.


phosphatidylethanolamine (18:1/18:2)

1,2-diacyl-sn-glycero-3-phosphoethanolamine in which the acyl group at C-1 contains 18 carbons and 1 double bond while that at C-2 contains 18 carbons and 2 double bonds.


name: Colorectal Microvesicular Hyperplastic Polyp

description: A serrated hyperplastic polyp that arises from the colon and rectum.  It is characterized by the presence of microvacuolated columnar cells that are admixed with small numbers of goblet cells.  There is no evidence of epithelial atypia or dysplasia.


Refractory Visual Pathway Glioma

description: Visual pathway glioma that is resistant to treatment.


(-)-minovincinine

A monoterpenoid indole alkaloid that is (-)-vincadifformine which carries a hydroxy group at position 19R. A natural product found in several plant species including Catharanthus roseus and Vinca minor.


A member of the class of bromobenzenes that is bromobenzene substituted by a cyclopropyl group at position 4.


A carbobicyclic compound that is bicyclo[3.2.1]oct-3-en-2-one which is substituted at positions 3 and 4 by 2-chloro-4-(methylsulfonyl)benzoyl and phenylthio groups, respectively.


phenylthiocarbamide

A member of the class of thioureas that is thiourea in which one of the hydrogens is replaced by a phenyl group. Depending on their genetic makeup, humans find it either very bitter-tasting or tasteless. This unusual property resulted in N-phenylthiourea being used in paternity testing prior to the advent of DNA testing.


O-glycan

The term used to refer to the carbohydrate portion of O-glycoproteins when attached to the hydroxyl oxygen of serine, threonine, hydroxylysine or hydroxyproline side-chains.


name: Stage II Gastric Neuroendocrine Tumor AJCC v8

description: Stage II includes: (T2, N0, M0); (T3, N0, M0). T2: Tumor invading the muscularis propria or is greater than 1 cm in size. T3: Tumor invading through the muscularis propria into subserosal tissue without penetration of overlying serosa. N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 8th ed.)


The cationic form of a C3 cyanine dye having 3,3-dimethyl-1-octadecylindoleinine units at each end.


C5-indocyanine cation

The cationic form of a C5 cyanine dye having 1-ethyl-3,3-dimethylindoleinine units at each end.


DIGOXIGENIN

A hydroxy steroid that consists of 5beta-cardanolide having a double bond at the 20(22)-position as well as hydroxy groups at the 3beta-, 12beta- and 14beta-positions. It has been isolated from the plant species of the genus Digitalis.


fluorescein

A xanthene dye that is highly fluorescent, detectable even when present in minute quantities. Used forensically to detect traces of blood, in analytical chemistry as an indicator in silver nitrate titrations and in microscopy.


A C5 cyanine dye having 1-ethyl-3,3-dimethylindoleinine units at each end.


Alexa Fluor 555

A fluorescent dye of absorption wavelength 555 nm and emission wavelength 565 nm, derived from a 3,6-diaminoxanthene-4,5-disulfate.


The cationic form of a C5 cyanine dye having 3,3-dimethyl-1-octadecylindoleinine units at each end.


The cationic form of a C3 cyanine dye having 3-octadecyl-1,3-benzoxazol-2(3H)-yl units at each end.


Cy5-bifunctional dye

An iminium betaine derived from a Cy5 dye.


DNA/DNA annealing activity

description: An activity that facilitates the formation of a complementary double-stranded DNA molecule.


name: ATP-dependent DNA/DNA annealing activity

description: An ATP-dependent activity that facilitates the formation of a complementary double-stranded DNA molecule.


(+)-EPITAXIFOLIN

A taxifolin that has (2S,3R)-configuration.


name: Dysembryoplastic Neuroepithelial-Like Tumor of the Septum Pellucidum

description: A very rare, low-grade midline brain neoplasm that affects the septum pellucidum. It is characterized by similar histological features to those found in dysembryoplastic neuroepithelial tumor, but does not display multinodularity. It usually manifests with symptoms related to increased intracranial pressure. Epilepsy has been reported in approximately one third of patients. PDGFRA gene mutations have been identified in the majority of patients. Alterations in FGFR1 and NF1 genes have also been reported. BRAF mutations which represent the most common molecular alteration found in cortical dysembryoplastic neuroepithelial tumor, were absent in this rare group of midline tumors.


The aromatic diazonium ion that is diazotised 3-aminobenzoic acid.


Childhood Parathyroid Gland Adenoma

description: An adenoma of the parathyroid gland that occurs during childhood.


Parathyroid Gland Lipoadenoma

description: A parathyroid gland adenoma that contains mature adipocytes.


A phosphatidylcholine having an alpha-linolenoyl at sn-2 and a fatty acyl chain of unknown composition at sn-1. Major species at pH 7.3.


A phosphoethanolamine-GIPC where R1 represents the shingoid base, R2 is an acyl group, R3 can be an acyl group or an H, R4-8 can be other sugar groups, phosphoethanolamine or H.


name: Stage IV Childhood Retinoblastoma by Toronto Guidelines v2

description: Distant metastatic disease. (Childhood cancer staging for population registries according to the Toronto Childhood Cancer Stage Guidelines - Version 2. Cancer Council Queensland and Cancer Australia: Brisbane, Australia; 2021.)


GlyTouCan G48975GN

An amino decasaccharide that is alpha-D-Manp-(1->3)-[beta-D-Manp-(1->6)]-beta-D-Manp-(1->4)-beta-D-GlcpNAc-(1->4)-[(1->6)-alpha-L-Fucp]-beta-D-GlcpNAc- in which the (1->3) linked terminal mannose has been glycosylated at position 2 by a 2-acetamino-2-deoxy-beta-D-glucosamine moiety, whiile the (1->6) linked terminal mannose has been glycosylated at position 2 by a 2-acetamino-2-deoxy-beta-D-glucosamine moiety which in turn has been glycosylated at position 4 by a beta-D-galactosyl group, and at an unspecified position by an alpha-L-fucosyl group. In the illustrated structure, either R1 is an alpha-L-fucosyl group and R2 is H, or R2 is an alpha-L-fucosyl group and R1 is H.


diphenylcyclopropenone

A cyclopropenone compound having phenyl substituents at the 2- and 3-positions.


An oxime O-ether that is a derivative of 17beta-estradiol having an O-(carboxymethyl)oxime group at the 6-position.


PVP8-Ag NP

Any coated Ag nanoparticle in which the the silver nanoparticles are encapsulated by 8 nm thick polyvinylpyrrolidone (PVP).


Any coated Ag nanoparticle in which the the silver nanoparticles are encapsulated by polyvinylpyrrolidone (PVP).


PVP38-Ag NP

Any coated Ag nanoparticle in which the the silver nanoparticles are encapsulated by 38 nm thick polyvinylpyrrolidone (PVP).


iloperidone

A member of the class of piperidines that is the 4-acetyl-2-methoxyphenyl ether of 3-(piperidin-1-yl)propan-1-ol which is substituted at position 4 of the piperidine ring by a 6-fluoro-1,2-benzoxazol-3-yl group. A member of the group of second generation antipsychotics (also known as an atypical antipsychotics), it is used for the treatment of schizophrenia.


An  L-isoleucine derivative that is L-isoleucine bearing a (4S)-hydroxy substituent.


Thyroid Gland Cavernous Hemangioma

description: A rare cavernous hemangioma that arises from the thyroid gland.


Benign Thyroid Gland Vascular Neoplasm

description: A rare benign vascular neoplasm that arises from the thyroid gland. This category includes hemangiomas, cavernous hemangiomas, and lymphangiomas.


Thyroid Gland Hemangioma

description: A rare hemangioma that arises from the thyroid gland.


Thyroid Gland Lymphangioma

description: An extremely rare lymphangioma that arises from the thyroid gland.


An alpha-D-galactoside that is the 5-aminopentyl glycoside of a tetrasaccharide consisting of beta-D-glucuronosyl, beta-D-glucosyl,  alpha-D-glucosyl and alpha-D-galactosyl residues linked sequentially (1->4).


An ultra-long-chain primary fatty alcohol that is triacontan-1-ol substituted by a methyl group at position 28.


peptidyl-cysteine S-trans-nitrosylation

description: Transfer of a nitric oxide (NO) group from one cysteine residue to another.


2-hydroxyacrylic acid

An alpha,beta-unsaturated monocarboxylic acid that is  acrylic acid substituted by a hydroxy group at position 2.


Stage IIIB Cervical Cancer AJCC v8

description: Stage IIIB includes: T3b, Any N, M0. T3b: extending to pelvic wall and/or causing hydronephrosis or nonfunctioning kidney. M0: No distant metastasis. (AJCC 8th Ed.)


Se-methyl-D-selenocysteinyl group

A D-alpha-amino acyl group having methylselanylmethyl as the side-chain.


poly(allylamine hydrochloride)

A polymer composed of propan-1-amine hydrochloride units.


prehnitene

A tetramethylbenzene that consists of benzene substituted by methyl groups at positions 1, 2, 3 and 4.


name: 3-(dimethylamino)benzoic acid (7-hydroxy-2-oxo-1-benzopyran-4-yl)methyl ester


TETRAHYDROPALMATINE

A berberine alkaloid obtained by formal addition of two molecules of hydrogen to the pyridine ring of palmatine.


thiosulfurous acid

A sulfuroxoacid with formula H2O2S2.


ANANOLIGNAN K

A lignan with a dibenzocyclooctadiene skeleton isolated from Kadsura ananosma


name: Peritoneal mesothelioma malignant recurrent

description: The reemergence of malignant peritoneal mesothelioma after a period of remission.


Mesothelioma malignant recurrent

description: The reemergence of malignant mesothelioma after a period of remission


A glucosaminoglycan consisting of L-asparagine having the heptasaccharide alpha-D-Man-(1->3)-[alpha-D-Man-(1->3)-[alpha-D-Man-(1->6)]-alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-beta-D-GlcNAc attached at the N(4)-position


A glucosaminoglycan consisting of L-asparagine having the pentasaccharide alpha-D-Man-(1->3)-[alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-beta-D-GlcNAc attached at the N(4)-position


An N(4)-glycosyl-L-asparagine in which the glycosyl component is specified as beta-D-GlcNAc-(1->2)-alpha-D-Man-(1->3)-[beta-D-GlcNAc-(1->2)-alpha-D-Man-(1->6)]-beta-D-Man-(1->4)-beta-D-GlcNAc-(1->4)-beta-D-GlcNAc.


PONATINIB HYDROCHLORIDE

The hydrochloride salt of ponatinib. It is a potent pan inhibitor of tyrosine kinases, active in all single resistance ABL kinase mutations including the T315l mutation. It is approved for the treatment of chronic myeloid leukemia.


Thoracic Esophagus Adenocarcinoma

description: An adenocarcinoma that arises from the thoracic esophagus.


mitochondrial chromosome packaging

description: A process in which mitochondrial chromosomal DNA and associated proteins organize into a compact, orderly structure.


uridine biosynthetic process

description: The chemical reactions and pathways resulting in the formation of uridine, uracil riboside, a ribonucleoside very widely distributed but occurring almost entirely as phosphoric esters in ribonucleotides and ribonucleic acids.


A 2-acyl-1-alkyl-sn-glycero-3-phosphocholine where the 2-O-acyl group is specified as acetyl; a potent phospholipid activator and mediator of many leukocyte functions, including platelet aggregation, inflammation, and anaphylaxis.


A 2-acetyl-1-alkyl-sn-glycero-3-phosphocholine betaine which has hexadecyl as the alkyl group. PAF is a potent phospholipid activator and mediator of many leukocyte functions, including platelet aggregation, inflammation, and anaphylaxis.


A 2-acetyl-1-alkyl-sn-glycero-3-phosphocholine in which the alkyl group is specified as tetradecyl.


A 2-acetyl-1-alkyl-sn-glycero-3-phosphocholine in which the alkyl group is specified as dodecyl.


A 2-acetyl-1-alkyl-sn-glycero-3-phosphocholine in which the alkyl group is specified as decyl.


A 2-acetyl-1-alkyl-sn-glycero-3-phosphocholine in which the alkyl group is specified as (9Z)-hexadecenyl.


Fundic gland polyp

description: The most common gastric polyp in the Western hemisphere.  The lesion consists of a localized hyperplasia of the deep epithelial compartment of the oxyntic mucosa, with variable degrees of cystic dilatation.  Malignant transformation is the exception.  (WHO, 2000)


description: Catalysis of the reaction: 4-coumarate + UDP-D-glucose = 4-O-beta-D-glucosyl-4-hydroxycinnamate + UDP.


mitochondrial genome maintenance

description: The maintenance of the structure and integrity of the mitochondrial genome; includes replication and segregation of the mitochondrial chromosome.


Stage II Rectosigmoid Cancer AJCC v7

description: Stage II includes: IIA (T3, N0, M0); IIB (T4a, N0, M0); IIC (T4b, N0, M0). T3: Tumor invades through the muscularis propria into pericolorectal tissues.  T4a: Tumor penetrates to the surface of the visceral peritoneum.  T4b: Tumor directly invades or is adherent to other organs or structures. N0: No regional lymph node metastasis.  M0: No distant metastasis. (AJCC 7th ed.)


A nitroarene that is pyrene substituted at the 1-position by a nitro group. A by-product of combustion,  it is the predominant nitrated polycyclic aromatic hydrocarbon emitted in a diesel engine.


name: envenomation resulting in positive regulation of glucagon-like peptide receptor 1 activity in another organism

description: A process that begins with venom being forced into an organism by the bite or sting of another organism, and ends with the resultant positive regulation of glucagon-like peptide receptor 1 activity in of the bitten organism.


name: envenomation resulting in modulation of receptor activity in another organism

description: A process that begins with venom being forced into an organism by the bite or sting of another organism, and ends with the resultant modulation of receptor activity in of the bitten organism.


name: envenomation resulting in positive regulation of G protein-coupled receptor activity in another organism

description: A process that begins with venom being forced into an organism by the bite or sting of another organism, and ends with the resultant positive regulation of G protein-coupled receptor activity in of the bitten organism.


name: envenomation resulting in positive regulation of vasoactive intestinal polypeptide receptor activity in another organism

description: A process that begins with venom being forced into an organism by the bite or sting of another organism, and ends with the resultant positive regulation of the activity of a vasoactive intestinal polypeptide receptor in the bitten organism.


name: envenomation resulting in modulation of glucagon-like peptide receptor 1 activity in another organism

description: A process that begins with venom being forced into an organism by the bite or sting of another organism, and ends with the resultant modulation of glucagon-like peptide receptor 1 activity in of the bitten organism.


name: envenomation resulting in modulation of G protein-coupled receptor activity in another organism

description: A process that begins with venom being forced into an organism by the bite or sting of another organism, and ends with the resultant modulation of G protein-coupled receptor activity in of the bitten organism.


name: envenomation resulting in modulation of vasoactive intestinal polypeptide receptor activity in another organism

description: A process that begins with venom being forced into an organism by the bite or sting of another organism, and ends with the resultant modulation of the activity of a vasoactive intestinal polypeptide receptor in the bitten organism.


abamectin

Mixture of 80% avermectin B1a and 20% avermectin B1b.


D-phenylalanine

The D-enantiomer of phenylalanine.


DL-PHENYLALANINE

An aromatic amino acid that is alanine in which one of the methyl hydrogens is substituted by a phenyl group.


name: 5-bromo-3-[[2-(4-methyl-1-piperazinyl)-1-oxoethyl]amino]-2-benzofurancarboxylic acid ethyl ester


A C-nitro compound that is cyclohexene substituted at position 1 by a nitro group.


An adamanzane which contains four one-carbon chains and two two-carbon chains linking the nitrogens thus forming a cage structure.


basal protein localization

description: Any process in which a protein is transported to, or maintained in, basal regions of the cell.


A N-(2-hydroxyacyl)-beta-D-galactosylsphingosine in which the ceramide N-acyl group is specified as 2-hydroxyhexanoyl.


(R)-bethanechol chloride

The (R)-enantiomer of bethanechol chloride.


name: Clinical Stage 0 Merkel Cell Carcinoma AJCC v8

description: Stage 0 includes: Tis, N0, M0. Tis: In situ primary tumor. N0: No regional lymph node metastasis detected on clinical and/or radiologic examination. M0: No distant metastasis detected on clinical and/or radiologic examination. (AJCC 8th ed.)


name: Merkel Cell Carcinoma by AJCC v8 Clinical Stage

description: A term that refers to the clinical staging of Merkel cell carcinoma (primary cutaneous neuroendocrine carcinoma), following the rules of the TNM AJCC v8 classification system.


name: Clinical Stage IV Merkel Cell Carcinoma AJCC v8

description: Stage IV includes: T0-4, Any N, M1. T0: No evidence of primary tumor. T1: Maximum clinical tumor diameter equal to or less than 2 cm. T2: Maximum clinical tumor diameter more than 2 cm but equal to or less than 5 cm. T3: Maximum clinical tumor diameter more than 5 cm. T4: Primary tumor invades fascia, muscle, cartilage, or bone. M1: Distant metastasis detected on clinical and/or radiologic examination. (AJCC 8th ed.)


name: Clinical Stage IIA Merkel Cell Carcinoma AJCC v8

description: Stage IIA includes: T2-3, N0, M0. T2: Maximum clinical tumor diameter more than 2 cm but equal to or less than 5 cm. T3: Maximum clinical tumor diameter more than 5 cm. N0: No regional lymph node metastasis detected on clinical and/or radiologic examination. M0: No distant metastasis detected on clinical and/or radiologic examination. (AJCC 8th ed.)


name: Clinical Stage IIB Merkel Cell Carcinoma AJCC v8

description: Stage IIB includes: T4, N0, M0. T4: Primary tumor invades fascia, muscle, cartilage, or bone. N0: No regional lymph node metastasis detected on clinical and/or radiologic examination. M0: No distant metastasis detected on clinical and/or radiologic examination. (AJCC 8th ed.)


name: Clinical Stage II Merkel Cell Carcinoma AJCC v8

description: Stage II includes: IIA: (T2-3, N0, M0); IIB: (T4, N0, M0). T2: Maximum clinical tumor diameter more than 2 cm but equal to or less than 5 cm. T3: Maximum clinical tumor diameter more than 5 cm. T4: Primary tumor invades fascia, muscle, cartilage, or bone. N0: No regional lymph node metastasis detected on clinical and/or radiologic examination. M0: No distant metastasis detected on clinical and/or radiologic examination. (AJCC 8th ed.)


name: Clinical Stage III Merkel Cell Carcinoma AJCC v8

description: Stage III includes: T0-4, N1-3, M0. T0: No evidence of primary tumor. T1: Maximum clinical tumor diameter equal to or less than 2 cm. T2: Maximum clinical tumor diameter more than 2 cm but equal to or less than 5 cm. T3: Maximum clinical tumor diameter more than 5 cm. T4: Primary tumor invades fascia, muscle, cartilage, or bone. N1: Metastasis in regional lymph node(s). N2: In-transit metastasis (discontinuous from primary tumor; located between primary tumor and draining regional nodal basin, or distal to the primary tumor) without lymph node metastasis. N3: In-transit metastasis (discontinuous from primary tumor; located between primary tumor and draining regional nodal basin, or distal to the primary tumor) with lymph node metastasis. M0: No distant metastasis detected on clinical and/or radiologic examination. (AJCC 8th ed.)


name: Clinical Stage I Merkel Cell Carcinoma AJCC v8

description: Stage I includes: T1, N0, M0. T1: Maximum clinical tumor diameter equal to or less than 2 cm. N0: No regional lymph node metastasis detected on clinical and/or radiologic examination. M0: No distant metastasis detected on clinical and/or radiologic examination. (AJCC 8th ed.)


name: positive regulation of cellular response to heat

description: Any process that activates or increases the frequency, rate or extent of cellular response to heat.


cytokinin-activated signaling pathway

category: biolink:Pathway biolink:OntologyClass biolink:BiologicalProcess biolink:Occurrent biolink:BiologicalProcessOrActivity biolink:BiologicalEntity biolink:ThingWithTaxon biolink:NamedThing biolink:PhysicalEssenceOrOccurrent

description: The series of molecular signals generated by the binding of a cytokinin to a receptor, and ending with the regulation of a downstream cellular process, e.g. transcription.


A plastoquinone in which the number of isoprene units in the side chain is 9.


sodium chromate

An inorganic sodium salt consisting of sodium and chromate ions in a 2:1 ratio.


name: Small Intestinal Neuroendocrine Carcinoma

description: An aggressive, high-grade, and poorly differentiated carcinoma with neuroendocrine differentiation that arises from the small intestine. The mitotic count is more than 20 per 10 HPF. It is classified as either small or large cell neuroendocrine carcinoma based on the size of the malignant cells, the prominence of the nucleoli, and the amount of cytoplasm.


name: Small Intestinal Large Cell Neuroendocrine Carcinoma

description: An aggressive, high-grade and poorly differentiated carcinoma with neuroendocrine differentiation that arises from the small intestine.  It is characterized by the presence of malignant large cells.


name: negative regulation of xyloglucan catabolic process

description: Any process that stops, prevents or reduces the frequency, rate or extent of xyloglucan catabolic process.


name: regulation of xyloglucan metabolic process

description: Any process that modulates the frequency, rate or extent of xyloglucan metabolic process.


name: positive regulation of xyloglucan metabolic process

description: Any process that activates or increases the frequency, rate or extent of xyloglucan metabolic process.


name: regulation of xyloglucan catabolic process

description: Any process that modulates the frequency, rate or extent of xyloglucan catabolic process.


name: positive regulation of xyloglucan catabolic process

description: Any process that activates or increases the frequency, rate or extent of xyloglucan catabolic process.


name: negative regulation of xyloglucan metabolic process

description: Any process that stops, prevents or reduces the frequency, rate or extent of xyloglucan metabolic process.


Recurrent Rectal Cancer

description: The reemergence of rectal carcinoma after a period of remission.


Rectal adenocarcinoma recurrent

description: The reemergence of rectal adenocarcinoma after a period of remission.


Suppression of adrenal gland

description: Inadequate production of cortisol due to negative feedback on the hypothalamic-pituitary-adrenal axis that is caused by exposure to exogenous glucocorticoids or endogenous hypercortisolism.


An omega-hydroxy fatty acid ascaroside obtained by formal condensation of the alcoholic hydroxy group of 20-hydroxyicosanoic acid (20-hydroxyarachidic acid) with ascarylopyranose (the alpha anomer). It is a metabolite of the nematode Caenorhabditis elegans.


U12 snRNA binding

description: Binding to a U12 small nuclear RNA (U12 snRNA).


name: endosome lysis involved in viral entry into host cell

description: Viral-induced lysis of the endosome involved in uptake of a virus into a host cell. Occurs after internalization of the virus through the endosomal pathway, and results in release of the viral contents from the endosome into the host cell cytoplasm.


name: lysis of host organelle involved in viral entry into host cell

description: The viral-induced lysis of an organelle (endosome, lysosome, or caveosome) that is involved in the uptake of a virus into a host cell. Occurs once the virus is within the organelle, and results in transfer of the viral contents from the organelle compartment into the cytoplasm.


name: macropinosome lysis involved in viral entry into host cell

description: Viral-induced lysis of the macropinosome involved in the uptake of a virus into a host cell. Occurs after internalization of the virus in a macropinosome, and results in the release of viral contents from the macropinosome into the host cell cytoplasm.


A 2-acyl-sn-glycero-3-phosphocholine in which the acyl group is specified as (15S)-hydroxy-(5Z,8Z,11Z,13E)-icosatetraenoyl.


polyatomic cation

A cation consisting of more than one atom.


Major species at pH 7.3. Conjugated acid of CHEBI:45674. Published in DOI:10.1016/S1381-1177(00)00111-9


phosphatidylcholine (15:0/18:3)

A phosphatidylcholine 33:2 in which the fatty acyl groups at positions 1 and 2 are specified as C15:0 and C18:3 respectively.


phosphatidylcholine 44:12

A 1,2-diacyl-sn-glycero-3-phosphocholine in which the two acyl groups contain a total of 44 carbons and 12 double bonds.


A phosphatidylcholine 35:2 in which one acyl group has 17 carbons and is fully saturated while the other has 18 carbons and 2 double bonds (position not specified).


A lysophosphatidylcholine(0:0/16:1) in which the 2-acyl group is specified as (9Z)-hexadecenoyl.


phosphatidylcholine O-42:2

An alkyl,acyl-sn-glycero-3-phosphocholine in which the alkyl or acyl groups at positions 1 and 2 contain a total of 42 carbons and 2 double bonds.


An organic cation obtained by protonation of the three amino groups of 2'-deamino-2'-hydroxyneamine; major species at pH 7.3.


omega-ammonioaldehyde

An ammonio aldehyde that is an aliphatic aldehyde in which one of the hydrogens of the terminal methyl group has been replaced by an ammonio group. NH3(+)CH2(CH2)nCHO, where n = 0, 1, 2, etc.


tropinium

Conjugate acid of tropine arising from protonation of the tertiary amino group.


phosphatidylcholine (15:0/18:2)

A phosphatidylcholine 33:2 in which the fatty acyl groups at positions 1 and 2 are specified as C15:0 and C18:2 respectively.


phosphatidylcholine (16:0/22:5)

A phosphatidylcholine 38:5 in which the fatty acyl groups at positions 1 and 2 are specified as C16:0 and C22:5 respectively.


A  phosphatidylcholine (P-38:4) in which the alkenyl group at position 1 is (1Z)-octadecenyl and the acyl group at position 2 is (5Z,8Z,11Z,14Z)-icosatetraenoyl.


phosphatidylcholine P-38:5

A 1-O-(alk-1-enyl)-2-O-acyl-sn-glycero-3-phosphocholine in which the alk-1-enyl and acyl groups at positions 1 and 2 contain 38 carbon atoms in total with 5 additional double bonds.


A 2-acyl-sn-glycero-3-phosphocholine in which the 2-acyl group contains 18 carbons and 2 double bonds.


An organic cation obtained by protonation of the amino group of 3'-N-debenzoyl-2'-deoxytaxol. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl group at position 1 is specified as hexanoyl.


tryptophanium

An alpha-amino-acid cation that is the conjugate acid of tryptophan, arising from protonation of the alpha-amino group.


The trialkylammonium ion resulting from the protonation of the amino group of thebaine.


phosphatidylcholine (17:0/18:2)

A phosphatidylcholine 35:2 in which the fatty acyl groups at positions 1 and 2 are specified as C17:0 and C18:2 respectively.


sphingomyelin 24:0

A sphingomyelin in which the total number of carbons contained in the sphingoid base and fatty acyl groups is 24 with zero double bonds.


A phosphatidylcholine 34:2 in which the 1- and 2-acyl groups are specified as hexadecanoyl (palmitoyl) and 9Z,12Z-octadecadienoyl (linoleoyl) respectively.


A 1,2-diacyl-sn-glycero-3-phosphocholine(1+) that is the dicaproyl diester of phosphatidiylcholine.


An organic cation obtained by protonation of the endocyclic tertiary amino group of palonosetron.


An N-octadecenoylsphinganine-1-phosphocholine obtained by formal condensation of the carboxy group of oleic acid with the amino group of sphinganine-1-phosphocholine.


phosphatidylcholine 26:1

A 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups at C-1 and C-2 contain 26 carbons in total with 1 double bond.


phosphatidylcholine 38:2

A 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups at C-1 and C-2 contain 38 carbons in total with 2 double bonds.


fumigaclavine A(1+)

An ammonium ion obtained by the protonation of the tertiary amino group of fumigaclavine A; major species at pH 7.3.


A 1,2-diacyl-sn-glycero-3-phosphocholine in which the two acyl substituents at positions 1 and 2 are specified as lauroyl and arachidonoyl respectively.


phosphatidylcholine 44:0-OH

A 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups at C-1 and C-2 contain 44 carbons in total with 0 double bonds and 1 hydroxy group.


An ammonium ion resulting from the protonation of the tertiary amino group of O-acetyl-15alpha-stemmadenine. The major species at pH 7.3.


A lysophosphatidylcholine 20:3/0:0 in which the acyl group at position 1 is specified as (8Z,11Z,14Z)-icosatrienoyl.


A phosphatidylcholine 12:0 in which both acyl groups are specified as hexanoyl.


lysophosphatidylcholine 28:1

An  lysophosphatidylcholine  in which the remaining acyl group contains 28 carbons with 1 double bond. If R1 is an acyl group and R2 is a hydrogen then the molecule is a 1-acyl-sn-glycero-3-phosphocholine. If R1 is a hydrogen and R2 is an acyl group then the molecule is a 2-acyl-sn-glycero-3-phosphocholine.


indole alkaloid cation

Any cation arising from protonation of at least one of the amino functions in an indole alkaloid.


kanamycin A 3'-phosphate(2+)

The doubly positive charged ammonium ion obtained from protonation of the four amino groups and deprotonation of the phosphate OH groups of kanamycin A 3'-phosphate; major species at pH 7.3.


A phosphatidylcholine 40:5 inw hich teh acyl groups specified at positions 1 and 2 are octadecanoyl and (7Z,10Z,13Z,16Z,19Z)-docosapentaenoyl respectively.


A 1-O-acyl-sn-glycero-3-phosphocholine in which the acyl group is specified as capryl (decanoyl).


phosphatidylcholine O-30:1

An alkyl,acyl-sn-glycero-3-phosphocholine in which the alkyl or acyl groups at positions 1 and 2 contain a total of 30 carbons and 1 double bond.


An anthracycline cation resulting from the protonation of the amino group of 4'-epidoxorubicin.


A phosphatidylcholine 42:1 in which the acyl groups specified at positions 1 and 2 are eicosanoyl and (13Z)-docosenoyl respectively.


L-threoninium

The L-enantiomer of threoninium.


diphthamide

A  quaternary ammonium ion that is the derivative of L-histidine having a 4-amino-4-oxo-3-(trimethylammonio)butyl group at the 2-position of the imidazole ring.


3''-deamino-3''-hydroxykanamycin B(4+)

An organic cation obtained by protonation of the primary amino groups of 3''-deamino-3''-hydroxykanamycin B.


penotonium cation

A carboxylic ester having diphenylacetic acid as the carboxylic acid component and a 2-(trialkylammonium)ethanol as the alcohol component.


A phosphatidylcholine 30:0 in which the acyl groups at positions 1 and 2 are specified as octadecanoyl and dodecananoyl respectively.


phosphatidylcholine (P-36:2)

A 1-O-(alk-1-enyl)-2-O-acyl-sn-glycero-3-phosphocholine in which the unspecified alk-1-enyl and acyl groups at positions 1 and 2 contain 36 carbon atoms in total with 2 additional double bonds in the acyl moiety.


A 1-acyl-2-alkyl-sn-glycero-3-phosphocholine in which the acyl and alkyl groups at positions 1 and 2 are specified as hexadecanoyl and hexadecyl respectively.


phosphatidylcholine

A glycerophosphocholine that is glycero-3-phosphocholine bearing two acyl substituents at positions 1 and 2.


An alpha-amino-acid cation obtained by deprotonation of the carboxy group and protonation of the amino groups of (3S)-3-hydroxy-L-ornithine: major species at pH 7.3.


An ammonium ion that is the trication of spermidine, formed by protonation at all three nitrogens.


phosphatidylcholine 42:8

A 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups at C-1 and C-2 contain 42 carbons in total with 8 double bonds.


GGTI-2133 free base(1+)

An organic cation obtained by protonation of GGTI-2133 free base.


An unsymmetrical cationic C1 cyanine dye having 1,3-benzoxazol-2-yl and quinolinium-4-yl substituents.


A phosphatidylcholine 40:3 in which the acyl groups specified at positions 1 and 2 are eicosanoyl and (11Z,14Z,17Z)-eicosatrienoyl respectively.


A phosphatidylcholine 32:1 in which the acyl groups specified at positions 1 and 2 are oleoyl and myristoyl respectively.


An ammonium ion resulting from the protonation of all three amino groups of paromamine. The major species at pH 7.3.


An ammonium ion resulting from the protonation of the nitrogen of the secondary amino group of sotalol.


An organic cation that is the conjugate acid of 5-O-beta-D-mycaminosyl-20-oxotylactone, obtained by protonation of the tertiary amino group; major species at pH 7.3.


sphingomyelin 42:2

A sphingomyelin in which the total number of carbons in the sphingoid base and fatty acyl groups is 42 with 2 double bonds.


Conjugate acid of 3-methylthiopropylamine; major species at pH 7.3.


A sphingomyelin in which the sphingoid component is specified as tetradecaphytosphingosine.


sphingomyelin d18:1/26:0

A sphingomyelin d18:1 in which the fatty acyl group contains 26 carbons and is fully saturated.


A sphingomyelin d18:1 in which the total number of carbons in the fatty acyl group is 25 with 1 double bond.


A secondary ammonium ion resulting from the protonation of the amino group of solasodine. The major species at pH 7.3.


An organic cation that is the conjugate acid of methymycin, obtained by protonation of the tertiary amino group; major species at pH 7.3.


A phosphatidylcholine 38:3 in which the acyl groups at positions 1 and 2 are specified as stearoyl (octadecanoyl) and icosatrienoyl respectively.


An N-acyl-4-hydroxy-15-methylhexadecasphinganine-1-phosphocholine in which the acyl group has 26 carbons and 4 double bonds and is 2-hydroxylated.


An organic cation obtained by protonation of the primary amino function of alogliptin.


A lysophosphatidylcholine 20:4 in which the acyl group is specified as arachidonoyl and is located at position 2.


An N-acyl-15-methylhexadecasphing-4-enine-1-phosphocholine in which the acyl group has 26 carbons and 1 double bond.


An ammonium ion resulting from the protonation of the tertiary amino group of tetrahydroalstonine. The major microspecies at pH 7.3.


A 1-O-acyl-sn-glycero-3-phosphocholine in which the acyl group is specified as (7Z,10Z,13Z,16Z,19Z)-docosapentaenoyl.


lysophosphatidylcholine O-16:0

A glycerophosphocholine that is sn-glycero-3-phosphocholine bearing a hexadecyl group at an unspecified position. If R1 is hexadecyl and R2 is a hydrogen then the molecule is 1-hexadecyl-sn-glycero-3-phosphocholine. If R1 is a hydrogen and R2 is hexadecyl then the molecule is 2-hexadecyl-sn-glycero-3-phosphocholine.


(S)-N-methylcanadine

A quaternary ammonium ion that is (S)-canadine bearing an N-methyl substituent.


N-(4-ammoniobutylpyrrolinium) ion(2+)

Major species at pH 7.3


A piperidinium ion obtained by protonation of the piperidine nitrogen of ketanserin; major microspecies at pH 7.3.


erythromycin C(1+)

An erythromycin cation that is the conjugate acid of erythromycin C, arising from protonation of the tertiary amino group on the 3,4,6-trideoxy-3-(dimethylamino)-beta-D-xylo-hexopyranosyl residue; major species at pH 7.3.


The tetracation of YoYo-1 dye.


2'''-acetyl-6'''-hydroxyneomycin C(4+)

A quadruply-charged organic cation obtained by protonation of the four free amino groups of 2'''-acetyl-6'''-hydroxyneomycin C; major species at pH7.3.


lysophosphatidylcholine O-5:0

A monoalkyl-sn-glycero-3-phosphocholine in which the alkyl group (position not specified) contains 5 carbons and is fully saturated.


phosphatidylcholine (18:1/20:1)

A phosphatidylcholine 38:2 in which the fatty acyl groups at positions 1 and 2 are specified as C18:1 and C20:1 respectively.


An organic cation that is the conjugate acid of (1R,3S)-3-(adamantan-1-yl)-1-(aminomethyl)-3,4-dihydroisochromene-5,6-diol, arising from protonation of the primary amino function.


sphingomyelin 36:1

A sphingomyelin in which the total number of carbons in the sphingoid base and fatty acyl groups is 36 with 1 double bond.


An N-acyl-15-methylhexadecasphing-4-enine-1-phosphocholine in which the acyl group has 21 carbons and 0 double bonds and is 2-hydroxylated.


An organic cation obtained by deprotonation of the amino group of 2-deoxy-scyllo-inosamine; major species at pH 7.3.


An N-acyl-15-methylhexadecasphing-4-enine-1-phosphocholine in which the acyl group has 17 carbons and 1 double bond.


A phosphatidylcholine 34:2 in which the acyl groups specified at positions 1 and 2 are (9Z)-octadecenoyl and (9Z)-hexadecenoyl respectively.


sphingomyelin 42:0

A sphingomyelin in which the total number of carbons in the sphingoid base and fatty acyl groups is 42 with 0 double bonds.


An indole alkaloid cation that is the conjugate acid of (3R)-1,2-didehydro-3-hydroxy-2,3-dihydrotabersonine, obtained by protonation of the tertiary amino group. Major species at pH 7.3.


A sphingomyelin 40:4 in which the ceramide N-acyl group is specified as docosatrienoyl.


An alpha-amino-acid cation obtained by protonation of the imidazole ring of ergothioneine. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


A 1-acyl-sn-glycero-3-phosphocholine in which the 1-acyl group contains 18 carbons and 2 double bonds.


sphingomyelin 40:3

A sphingomyelin in which the total number of carbons in the sphingoid base and fatty acyl groups is 40 with 3 double bonds.


N(2')-acetylgentamycin C1a(4+)

Tetracation of N(2')-acetylgentamycin C1a.


A 1,2-diacyl-sn-glycero-3-phosphocholine having caproyl and 5-oxovaleryl groups at the 1- and 2-positions respectively.


A 1,2-di-octadecenoylsn-glycero-3-phosphocholine in which the acyl group specified at positions 1 and 2 is 11Z)-octadecenoyl .


A 1-octadecanoyl-2-octadecenoyl-sn-glycero-3-phosphocholine in which the acyl groups specified at positions 1 and 2 are octadecanoyl and (11Z)-octadecenoyl respectively.


An alkyl,acyl-sn-glycero-3-phosphocholine in which unspecified acyl and alkyl groups are located at positions 1 and 2 respectively.


An ammonium ion derivative that is the conjugate acid of pethidine, obtained from the protonation of the piperidine moiety. It is the major microspecies at pH 7.3.


tert-butylammonium

The cation resulting from the protonation of the nitrogen atom of tert-butylamine.


An indole alkaloid cation obtained by protonation of the tertiary amino group of strychnine.


A cationic sphingoid obtained by protonation of the amino group of 1-deoxysphinganine; major species at pH 7.3.


A bromoindole that is 1H-indole substituted by 2-(trimethylazaniumyl)ethenyl and bromo groups at positions 3 and 6, respectively. It is isolated from the marine sponge Geodia barretti.


A phosphatidylcholine 38:6 in which the acyl groups specified at positions 1 and 2 are (11Z)-octadecenoyl and (5Z,8Z,11Z,14Z,17Z)-eicosapentaenoyl respectively.


The cation resulting from the protonation of the piperidine nitrogen of (R)-nipecotamide.


An organic cation that is the conjugate acid of legionaminic acid obtained by protonation of both amino groups and deprotonation of the carboxy group; major species at pH 7.3.


An alkylaminium that is the conjugate acid of octan-1-amine resulting from the protonation of the primary amino group; Major species at pH 7.3.


sphingomyelin 34:4

A sphingomyelin in which the total number of carbons in the sphingoid base and fatty acyl groups is 34 with 4 double bonds.


benzalkonium

A quaternary ammonium ion obtained by methylation of N-benzyl-N-methyldodecan-1-amine.


phosphatidylcholine (17:1/18:1)

A phosphatidylcholine 35:2 in which the fatty acyl groups at positions 1 and 2 are specified as C17:1 and C18:1 respectively.


phosphatidylcholine P-36:1

A 1-O-(alk-1-enyl)-2-O-acyl-sn-glycero-3-phosphocholine in which the alk-1-enyl and acyl groups contain a total of 36 carbon atoms with 1 additional double bond.


An organic cation obtained by protonation of the tertiary amino function of loperamide.


A secondary ammonium ion that is the conjugate acid of fasudil arising from the protonation of the diazepane ring; major species at pH 7.3.


butirosin B(4+)

An organic cation obtained by protonation of the four free amino groups of butirosin B; major species at pH 7.3.


An N-acyl-15-methylhexadecasphing-4-enine-1-phosphocholine in which the acyl group has 24 carbons and 1 double bond.


cetrimonium

A quaternary ammonium ion in which the substituents on nitrogen are one hexadecyl and three methyl groups.


An anthracycline cation that is the conjugate acid of daunorubicin, arising from protonation of the amino group.


An N-acyl-4-hydroxy-15-methylhexadecasphinganine-1-phosphocholine in which the acyl group has 25 carbons and 0 double bonds and is 2-hydroxylated.


C20 sphingosine(1+)

A cationic sphingoid that is the conjugate acid of C20 sphingosine, obtained by protonation of the primary amino function; major species at pH 7.3.


gamma-L-glutamylbutirosin B(3+)

A primary ammonium ion obtained by protonation of the four amino groups and deprotonation of the carboxy group of gamma-L-glutamylbutirosin B; major species at pH 7.3.


A 1,2-diacyl-sn-glycero 3-phosphocholine in which the acyl group at position 1 is unspecified while that at position 2 is specified as arachidonoyl


L-pyrrolysinium

An alpha-amino-acid cation that is the conjugate acid of L-pyrrolysine, obtained by deprotonation of the alpha-amino group.


A sphingomyelin d18:1 in which the ceramide N-acyl group is specified as icosanoyl.


lysophosphatidylcholine 22:0

A lysophosphatidylcholine in which the remaining acyl group contains 22 carbons and 0 double bonds. If R1 is the acyl group and R2 is a hydrogen then the molecule is a 1-acyl-sn-glycero-3-phosphocholine. If R1 is a hydrogen and R2 is the acyl group then the molecule is a 2-acyl-sn-glycero-3-phosphocholine.


3-dehydrocarnityl CoA

An acyl-CoA that results from the formal condensation of the thiol group of coenzyme A with the carboxy group of 3-dehydrocarnitine.


phosphatidylcholine 38:1

A 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups at C-1 and C-2 contain 38 carbons in total with 1 double bond.


aclacinomycin N(1+)

An anthracycline cation that is the conjugate acid of aclacinomycin N, obtained by protonation of the tertiary amino group.


A 1-(alk-1-enyl)-2-acyl-sn-glycero-3-phosphocholine in which the 2-acyl substituent is specified as oleoyl.


An N-acyl-4-hydroxy-15-methylhexadecasphinganine-1-phosphocholine in which the acyl group has 27 carbons and 0 double bonds and is 2-hydroxylated.


A quaternary ammonium ion that is spermidine carrying two 3-aminopropyl substituents at the N-4 position.


An organic cation that is the conjugate acid of trovafloxacin, obtained by protonation of the primary amino group.


phosphatidylcholine (18:2/18:3)

A phosphatidylcholine 36:5 in which the fatty acyl groups at positions 1 and 2 are specified as C18:2 and C18:3 respectively.


L-tyrosinium

An optically active form of tyrosinium having L-configuration.


The conjugate acid of (S)-N-methylcoclaurine; major species at pH 7.3.


D-selenocysteinium

A selenocysteinium that has D configuration.


Major microspecies at pH 7.3.


An N-acyl-15-methylhexadecasphing-4-enine-1-phosphocholine in which the acyl group has 18 carbons and 4 double bonds and is 2-hydroxylated.


A phosphatidylcholine 36:2 in which the acyl groups specified at positions 1 and 2 are octadecanoyl and (6Z,9Z)-octadecadienoyl respectively.


An organic cation obtained by protonation of the tertiary amino function of neopikromycin; major species at pH 7.3.


An organic cation obtained by protonation of the two tertiary amino groups of eprazinone.


sphingomyelin 18:0

A sphingomyelin in which the total number of carbons in the sphingoid base and fatty acyl groups is 18 with 0 double bonds.


A  phosphatidylcholine 36:3 in which the two acyl substituents at positions 1 and 2 are specified as oleoyl and linoleoyl respectively.


Major species at pH 7.3


colfosceril palmitate

A phosphatidylcholine 32:0 in which the 1- and 2-acyl groups are specified as hexadecanoyl (palmitoyl). A synthetic phospholipid used in liposomes and lipid bilayers to study biological membranes. It is also a major constituent of pulmonary surfactants.


An N-acyl-4-hydroxy-15-methylhexadecasphinganine-1-phosphocholine in which the acyl group has 23 carbons and 0 double bonds and is 2-hydroxylated.


An organic cation obtained by protonation of the secondary amino function of methamphetamine.


An organic cation that is the conjugate acid of 6-O-methyl-deacetylipecoside aglycone, arising from protonation of the secondary amino group; major species at pH 7.3.


neostigmine

A  quaternary ammonium ion comprising an anilinium ion core having three methyl substituents on the aniline nitrogen, and a 3-[(dimethylcarbamoyl)oxy] substituent at position 3. It is a parasympathomimetic which acts as a reversible acetylcholinesterase inhibitor.


A phosphatidylcholine O-42:1 in which the alkyl and acyl groups specified at positions 1 and 2 are icosyl and (11Z)-docosenoyl respectively.


A triply-charged organic cation obtained by protonation of all three amino groups of aminopropylcadaverine; major species at pH 7.3.


Conjugate acid of 17-O-acetylajmaline.


A phosphatidylcholine 40:7 in which the acyl groups at positions 1 and 2 are specified as (9Z)-octadecenoyl and (4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoyl respectively.


A  phosphatidylcholine O-40:3 in which the alkyl and acyl groups specified at positions 1 and 2 are eicosyl and (8Z,11Z,14Z)-eicosatrienoyl respectively.


A phosphatidylcholine 32:1 in which the acyl groups at C-1 and C-2 are tetradecanoyl and (11Z)-octadec-11-enoyl respectively.


A  phosphatidylcholine O-42:0 in which the alkyl and the acyl groups specified at positions 1 and 2 are eicosyl and docosanoyl respectively.


An ammonium ion derivative that is the conjugate acid of 3',4'-difluoro-N-{4'-fluoro-6-[(3S)-pyrrolidin-3-yloxy][biphenyl]-3-yl}-6-[(3S)-pyrrolidin-3-yloxy][biphenyl]-3-carboxamide, obtained by the protonation of the two pyrrolidine moieties. It is the major microspecies at pH 7.3.


A phosphatidylcholine 31:0 in which the fatty acyl groups at positions 1 and 2 are specified as pentadecanoyl and hexadecanoyl respectively


erythromycin D(1+)

An erythromycin cation resulting from the protonation of the tertiary amino group of erythromycin D; the major species at pH 7.3.


A 1,2-diacyl-sn-glycero-3-phosphocholine in which the two acyl substituents at positions 1 and 2 are specified as palmitoyl and propionyl respectively.


An ammonium ion obtained by protonation of the amino group of 1-(4-methoxyphenyl)-N-methyl-N-[(3-methyloxetan-3-yl)methyl]methanamine. The major species at pH 7.3.


A methyl ester resulting from the formal condensation of the carboxy group of (5S,12bR,12cS)-7-carboxy-1-ethyl-3,6,8,12c-tetrahydro-4H-5,12b-ethanoindolo[3,2-a]quinolizin-5-ium with methanol.


vecuronium

A 5alpha-androstane compound having 3alpha-acetoxy-, 17beta-acetoxy-, 2beta-piperidino- and 16beta-N-methylpiperidinium substituents.


A 3-[5-cyano-1-(4-fluorophenyl)-1,3-dihydro-2-benzofuran-1-yl]-N,N-dimethylpropan-1-aminium resulting from the protonation of the tertiary amino group of (R)-citalopram.


phosphatidylcholine 34:7

A 1,2-diacyl-sn-glycero-3-phosphocholine in which the two acyl groups contain a total of 34 carbons and 7 double bonds.


The conjugate acid of N-caffeoylputrescine; major species at pH 7.3.


An organic cation obtained by protonation of the amino group of any 2-arylethylamine.


A 1-palmitoyl-2-acyl-sn-glycero-3-phosphocholine in which the 2-acyl group is specified as 7-hydroxyheptanoyl.


A primary ammonium ion that is the conjugate acid of 1-phenylpropan-1-amine, obtained from the protonation of the amino group. Major microspecies at pH 7.3.


The tetracation of LoLo-1 dye.


A phosphatidylcholine O-42:3 in which teh alkyl and acyl groups specified at positions 1 and 2 are tetracosyl and (6Z,9Z,12Z)-octadecatrienoyl respectively.


phosphatidylcholine (17:0/18:1)

A phosphatidylcholine 35:1 in which the fatty acyl groups at positions 1 and 2 are specified as C17:0 and C18:1 respectively.


phosphatidylcholine 40:9

A 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups at C-1 and C-2 contain 40 carbons in total with 9 double bonds.


A 1,2-diacyl-sn-glycero-3-phosphocholine in which the 1-acyl group is specified as oleoyl.


A sphingomyelin in which the sphingoid component is specified as hexadecasphinganine.


A secondary ammonium ion resulting from the protonation of the two secondary amino groups of nirogacestat; Major species at pH 7.3.


carpronium

A methyl ester resulting from the formal condensation of the carboxy group of  4-(trimethylammonio)butanoic acid with methanol.


A 1-acyl-sn-glycero-3-phosphocholine in which the 1-acyl group contains 20 carbons and 4 double bonds.


iodine green(2+)

An iminium ion that forms the cationic portion of the histological dye 'iodine green'.


An ammonium ion resulting from the protonation of the tertiary amino group of tiagabine.


rhodomycin D(1+)

An organic cation that is the conjugate acid of rhodomycin D, obtained by protonation of the amino group; major species at pH 7.3.


A phosphatidylcholine 30:0 in which the phosphatidyl acyl groups at positions 1 and 2 are myristoyl (tetradecanoyl) and palmitoyl (hexadecanoyl) respectively.


An ammonium ion resulting from the protonation of the tertiary amino group of agroclavine. The major species at pH 7.3.


secondary ammonium ion

An organic cation obtained by protonation of any secondary amino compound; major species at pH 7.3.


An N-acyl-15-methylhexadecasphing-4-enine-1-phosphocholine in which the acyl group has 26 carbons and 2 double bonds and is 2-hydroxylated.


An sn-monothiophosphatidylcholine in which the acyl substituents at O-1 and S-2 are hexadecyl and arachidinoyl respectively.


phosphatidylcholine (18:1/19:1)

A phosphatidylcholine 37:2 in which the fatty acyl groups at positions 1 and 2 are specified as C18:1 and C19:1 respectively.


A phosphatidylcholine 28:1 in which the acyl groups specified at positions 1 and 2 are decanoyl and (9Z-octadecenoyl respectively.


nebramycin 5'(5+)

An organic cation obtained by protonation of the five amino groups of nebramycin 5'.


A 1-O-acyl-sn-glycero-3-phosphocholine in which the acyl group is specified as (9Z,12Z)-heptadecadienoyl.


A 1-O-acyl-sn-glycero-3-phosphocholine obtained by hydroxylation at position 11 of 1-O-oleoyl-sn-glycero-3-phosphocholine.


A phosphatidylcholine 38:6 in which the acyl groups specified at positions 1 and 2 are (5Z,8Z,11Z,14Z,17Z)-eicosapentaenoyl and (9Z)-octadecenoyl respectively.


A cationic sphingoid that is the conjugate acid of 3-dehydrosphinganine; major species at pH 7.3.


A piperidinium ion resulting from the protonation of the amino group of (R)-donepezil.


A phosphatidylcholine 34:0 in which the 1- and 2-acyl groups are specified as icosanoyl (arachidyl) and tetradecanoyl (myristoyl) respectively.


mycinamicin cation

An organic cation obtained by protonation of any mycinamicin.


The L-enantiomer of argininium(1+).


gentamycin C1a(5+)

Pentacation of gentamycin C1a.


A phosphatidylcholine 40:6 in which the acyl groups specified at positions 1 and 2 are (9Z)-octadecenoyl and (7Z,10Z,13Z,16Z,19Z)-docosapentaenoyl respectively.


validoxylamine A(1+)

An organic cation resulting from the protonation of the amino group of validoxylamine A; major species at pH 7.3.


Any member of the class of lysophosphatidylcholines which has a free hydroxy group at the 1-position of the glycerol moiety.


A phosphatidylcholine 42:6 in which the acyl groups specified at positions 1 and 2 are eicosanoyl and (4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoyl respectively.


An organic cation obtained by protonation of the 5-amino group of 5-amino-5-(4-hydroxybenzyl)-6-((2,3,4,5-tetrahydroxypentyl)amino)dihydropyrimidine-2,4-dione.


A 2-acyl-sn-glycero-3-phosphocholine in which the acyl group is specified as heptanoyl.


A sphingomyelin 41:1 obtained by formal condensation of the carboxy group of tetracosanoic acid with the amino group of 14-methylhexadecasphingosine-1-phosphocholine. It is a metabolite of the nematode Caenorhabditis elegans.


A phosphatidylcholine O-38:1 in which the alkyl and acyl groups at positions 1 and 2 are octadecyl and (9Z)-eicosenoyl respectively.


diphthine

A quaternary ammonium ion consisting of L-histidine with a 3-(trimethylammonio)-3-carboxypropyl group at the 2-position of the the imidazole ring.


p-azophenyltrimethylammonium

An azobenzene derivative carrying two para-trimethylammonium substituents.


A 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups at positions 1 and 2 are specified as octanoyl.


An alpha-amino-acid cation arising from deprotonation of the carboxy and hydroxy groups and protonation of the amino group of the cationic 3-(3,4-dihydroxypyridinium-1-yl)-L-alanine; major species at pH 7.3.


A 1-[6-carboxy-8-(2,4-difluorophenyl)-3-fluoro-5-oxo-5,8-dihydro-1,8-naphthyridin-2-yl]pyrrolidin-3-aminium having R configuration.


An organic cation obtained by protonation of the primary amino function of 6-({7-[(1-aminocyclopropyl)methoxy]-6-methoxyquinolin-4-yl}oxy)-N-methyl-1-naphthamide


phosphatidylcholine 48:1

A 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups at C-1 and C-2 contain 48 carbons in total with 1 double bond.


A phosphatidylcholine (O-16:0/18:1) in which the alkyl and the acyl groups at positions 1 and 2 are hexadecyl and oleoyl respectively.


A 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups at positions 1 and 2 are specified as hexadecanoyl and 9,10-epoxyoctadecanoyl respectively.


A 1,2-diacyl-sn-glycero-3-phosphocholine where the acyl group at position 1 is unspecified while the acyl group at position 2 is palmitoleoyl.


Conjugate acid of (3S,5S)-3,5-diaminohexanoic acid.


A phosphatidylcholine 36:3 in which the acyl groups at positions 1 and 2 are specified as hexadecanoyl and (5Z,8Z,11Z)-icosatrienoyl respectively.


lysophosphatidylcholine 20:5

A lysophosphatidylcholine in which the acyl group contains 20 carbons and 5 double bonds. If R1 is the acyl group and R2 is a hydrogen then the molecule is a 1-acyl-sn-glycero-3-phosphocholine. If R1 is a hydrogen and R2 is the acyl group then the molecule is a 2-acyl-sn-glycero-3-phosphocholine.


The conjugate acid of 11-O-demethyl-17-O-deacetylvindoline arising from protonation of the tertiary amino group; major species at pH 7.3.


An N-acyl-15-methylhexadecasphing-4-enine-1-phosphocholine in which the acyl group has 17 carbons and 2 double bonds.


lysophosphatidylcholine O-16:1

A glycerophosphocholine that is sn-glycero-3-phosphocholine bearing a hexadecenyl group at an unspecified position (either R(1) = hexadecenyl, R(2) = H or R(1) = H, R(2) = hexadecenyl).


strictosidine aglycone(1+)

Conjugate acid of strictosidine aglycone arising from deprotonation of the secondary amino group; major species at pH 7.3.


N-methylphenylethanolaminium

An ammonium ion that is the conjugate acid of N-methylphenylethanolamine; major species at pH 7.3.


An N-acyl-15-methylhexadecasphing-4-enine-1-phosphocholine in which the acyl group has 16 carbons and 2 double bonds.


An ammonium ion that results from the protonation of the amine nitrogen of acebutolol.


An organic cation resulting from the protonation of the amino group of (R)-prasugrel.


6''-O-carbamoylkanamycin A(4+)

An organic cation obtained by protonation of the four amino groups of 6''-O-carbamoylkanamycin A.


A lysophosphatidylcholine 22:6 in which the docosahexaenoyl group is located at position 1.


An N-acyl-15-methylhexadecasphing-4-enine-1-phosphocholine in which the acyl group has 24 carbons and 2 double bonds.


LYSOPHOSPHATIDYLCHOLINE

A lysophosphatidylcholine 14:0 in which the acyl group specified is myristoyl. The major species at pH 7.3.


A 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups at positions 1 and 2 are specified as octadecanoyl and pentanoyl respectively.


lysophosphatidylcholine 18:3

An acyl-sn-glycero-3-phosphocholine in which the acyl group contains 18 carbons with 3 double bonds. If R1 is an acyl group and R2 is a hydrogen then the molecule is a 1-acyl-sn-glycero-3-phosphocholine. If R1 is a hydrogen and R2 is an acyl group then the molecule is a 2-acyl-sn-glycero-3-phosphocholine.


ethidium homodimer tetracation

The cationic form of ethidium homodimer.


A secondary aliphatic ammonium ion obtained by protonation of both amino groups of piperazine.


phosphatidylcholine (18:0/20:2)

A 1,2-diacyl-sn-glycero-3-phosphocholine in which one acyl group has 18 carbons and is fully saturated while the other has 20 carbons and 2 double bonds.


phosphatidylcholine O-42:4

An alkyl,acyl-sn-glycero-3-phosphocholine in which the alkyl or acyl groups at positions 1 and 2 contain a total of 42 carbons and 4 double bonds.


An ammonium ion that results in the protonation of the nitrogen atom of pizotifen.


An organic cation obtained by protonation of the amino groups of a gentamycin; major species at pH 7.3. Gentamycins are a family of aminoglycoside antibiotics produced by Gram-positive bacteria of the Micromonospora genus.


A phosphatidylcholine 24:0 in which the acyl groups at positions 1 and 2 are specified as octadecanoyl and hexanoyl respectively.


A 2-acyl-sn-glycero-3-phosphocholine in which the 2-acyl group contains 20 carbons and 4 double bonds.


tetraethylarsonium

An arsonium ion consisting of four ethyl groups attached to a central arsonium.


An ammonium ion resulting from the protonation of the non-formylated amino group of (S,S)-formoterol.


sphingomyelin 32:3

A sphingomyelin in which the total number of carbons in the sphingoid base and fatty acyl groups is 32 with 3 double bonds.


A sphingomyelin d18:1 in which the ceramide N-acyl group is specified as hexacosanoyl.


TIOTROPIUM

A quaternary ammonium ion obtained by methylation of the tertiary amino group of (1alpha,2beta,4beta,5alpha,7beta)-7-[(hydroxydi-2-thienylacetyl)oxy]-9-methyl-3-oxa-9-azoniatricyclo[3.3.1.0(2,4)]nonane. Used (in the form of the bromide hydrate) for maintenance treatment of airflow obstruction in patients with chronic obstructive pulmonary disease.


phosphatidylcholine (O-18:1/20:4)

A 2-acyl-1-alkyl-sn-glycero-3-phosphocholine in which the acyl group contains 20 carbons and 4 double bonds while the alkyl group contains 18 carbons and 1 double bond.


Major species at pH 7.3


A primary ammonium ion that is the conjugate acid of  3-amino-5-[(4-hydroxyphenyl)methyl]-4,4-dimethylpyrrolidin-2-one, obtained from the protonation of the primary amino group. Major species at pH 7.3.


dodecylphosphocholine

A phosphocholine that is the monododecyl ester of phosphocholine


A 1,2-di-octadecenoyl-sn-glycero-3-phosphocholine in which the acyl group specified at positions 1 and 2 is (6Z)-octadecenoyl.


An unsymmetrical cationic C1 cyanine dye having 1,3-benzoxazol-2-yl and pyridinium-4-yl substituents.


A  phosphatidylcholine 24:0 where the acyl groups at position 1 and 2 are palmitoyl and capryloyl respectively.


An organic cation resulting from the protonation of the primary amino group of 4-hydroxytryptamine. The major species at pH 7.3.


A 2-acyl-1-alkyl-sn-glycero-3-phosphocholine in which the alkyl and the acyl groups at positions 1 and 2 are specified as pentadecyl and acetyl respectively.


lysophosphatidylcholine 16:0

A lysophosphatidylcholine in which the acyl group has a fully saturated C16 chain and is attached to the glycero moiety at either position 1 or 2.


An organic cation obtained by protonation of the amino groups of 2,6-diamino-2,3,6-trideoxy-alpha-D-glucose.


An N-acyl-15-methylhexadecasphing-4-enine-1-phosphocholine in which the acyl group has 25 carbons and 1 double bond.


A N-acylsphinganine-1-phosphocholine in which the acyl group specified is henicosanoyl.


A  lysophosphatidylcholine P-16:0 in which the alk-1-enyl group is hexadec-1-en-1-yl.


A phosphatidylcholine in which the acyl groups at C-1 and C-2 are (9Z)-hexadecenoyl and (13Z,16Z)-docosadienoyl respectively.


lysophosphatidylcholine 22:4

A lysophosphatidylcholine in which the acyl group (position not specified) contains 22 carbons and 4 double bonds.


A phosphatidylcholine 40:4 in which the acyl groups specified at positions 1 and 2 are (7Z,10Z,13Z,16Z)-docosatetraenoyl and octadecanoyl respectively.


A sphingomyelin 39:2 obtained by formal condensation of the carboxy group of henicosanoic acid with the amino group of any sphingadienine-1-phosphocholine.


A 1-O-(alk-1-enyl)-2-O-acyl-sn-glycero-3-phosphocholine in which the alkenyl group has Z geochemistry.


A sphingomyelin in which the total number of carbons in the fatty acyl group is 22 with 1 double bond.


An ammonium ion obtained by protonation of the tertiary amino group of metoclopramide.


(R)-tosufloxacin tosylate

An organosulfonate salt obtained by combining equimolar amounts of (R)-tosufloxacin and 4-toluenesulfonic acid.


phosphatidylcholine 36:3

A 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups at C-1 and C-2 contain 36 carbons in total with 3 double bonds.


A sphingomyelin d18:1 in which the ceramide N-acyl group contains 22 carbons, 1 hydroxy group and 2 double bonds.


phosphatidylcholine 37:0

A 1,2-diacyl-sn-glycero-3-phosphocholine in which the two acyl groups contain a total of 37 carbons and no double bonds.


A doubly-charged ammonium ion arising from protonation of the primary and secondary amino groups of N(1)-acetylspermidine; major species at pH 7.3.


(RS)-coclaurinium

Conjugate acid of (RS)-coclaurine.


Cationic compound arising from protonation of an N(3')-acetyl-2-deoxystreptamine antibiotic.


A piperidinium ion resulting from the protonation of the piperidine nitrogen of pibutidine; major species at pH 7.3.


A 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups specified at positions 1 and 2 are palmitoyl (hexadecanoyl) and (9E,13E)-octadeca-9,13-dienoyl respectively.


phosphatidylcholine 28:3

A 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups at C-1 and C-2 contain 28 carbons in total with 3 double bonds.


A 1,2-diacyl-sn-glycero-3-phosphocholine having palmitoyl and glutaroyl groups at positions 1 and 2 respectively.


An organic cation obtained by protonation of the secondary amino function of (1S,2R)-ephedrine; major species at pH 7.3.


phosphatidylcholine O-34:5

A glycerophosphocholine that is an alkyl,acyl-sn-glycero-3-phosphocholine in which the alkyl or acyl groups at positions 1 and 2 contain a total of 34 carbons and 5 double bonds.


phosphatidylcholine 46:2

A 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups at C-1 and C-2 contain 46 carbons in total with 2 double bonds.


An ammonium ion that is the conjugate acid of L-histidinol arising from protonation of the primary amino function; major species at pH 7.3.


Se-methyl-L-selenomethionine

A Se-methylselenomethionine that has L-configuration.


An organic cation that is the conjugate acid of chanoclavine-I, obtained by protonation of the secondary amino group.


An organic cation obtained by protonation of the four free amino groups of neamine; major species at pH 7.3.


A 1,2-diacyl-sn-glycero-3-phosphocholine having palmitoyl and 5-oxovaleryl groups at the 1- and 2-positions respectively; major species at pH 7.3.


An ammonium betaine formed by deprotonation of the carboxylic acid group of 6-(O-phosphocholine)oxyhexanoic acid.


phosphatidylcholine (P-40:7)

A 1-O-(alk-1-enyl)-2-O-acyl-sn-glycero-3-phosphocholine in which the unspecified alk-1-enyl and acyl groups at positions 1 and 2 contain 40 carbon atoms in total with 7 additional double bonds in the acyl moiety.


lysophosphatidylcholine (20:2/0:0)

A lysophosphatidylcholine 20:2 in which the acyl group is located at position 1.


A sphingomyelin in which the sphingoid component is specified as 15-methylhexadecasphing-4-enine.


N-methyltyraminium

The conjugate acid of N-methyltyramine; major species at pH 7.3.


A sphingomyelin 34:1 obtained by formal condensation of the carboxy group of heptadecanoic acid with the amino group of 15-methylhexadecasphingosine-1-phosphocholine. It is a metabolite of the nematode Caenorhabditis elegans.


PF-670462 free base(2+)

An ammonium ion resulting from the addition of two protons to the free base of PF-670462.


phosphatidylcholine O-32:1

An alkyl,acyl-sn-glycero-3-phosphocholine in which the alkyl or acyl groups at positions 1 and 2 contain a total of 32 carbons and 1 double bond.


Trication of N-[(E)-4-aminobutylidene]propane-1,3-diamine.


phosphatidylcholine O-34:4

A glycerophosphocholine that is an alkyl,acyl-sn-glycero-3-phosphocholine in which the alkyl or acyl groups at positions 1 and 2 contain a total of 34 carbons and 4 double bonds.


An N-acyl-15-methylhexadecasphing-4-enine-1-phosphocholine in which the acyl group has 27 carbons and 0 double bonds and is 2-hydroxylated.


A 1,2-diacyl-sn-glycero-3-phosphocholine in which the phosphatidyl acyl groups at positions 1 and 2 are specified as stearoyl and 8-epi-prostaglandin F2alpha respectively.


An N-acyl-15-methylhexadecasphing-4-enine-1-phosphocholine in which the acyl group has 19 carbons and 0 double bonds.


A cationic sphingoid that is the conjugate acid of hexadecasphinganine, obtained by protonation of the primary amino function; major species at pH 7.3.


Major species at pH 7.3.


sphingomyelin d18:1/24:0

A sphingomyelin d18:1 in which the fatty acyl group contains 24 carbons and is fully saturated.


lysophosphatidylcholine 14:2

A lysophosphatidylcholine in which the remaining acyl group contains 14 carbons and 2 double bonds. If R1 is the acyl group and R2 is a hydrogen then the molecule is a 1-acyl-sn-glycero-3-phosphocholine. If R1 is a hydrogen and R2 is the acyl group then the molecule is a 2-acyl-sn-glycero-3-phosphocholine.


A sphingomyelin obtained by formal condensation of the carboxy group of hexacosanoic acid with the amino group of 14-methylhexadecasphinganine-1-phosphocholine. It is a metabolite of the nematode Caenorhabditis elegans.


An N-acyl-15-methylhexadecasphing-4-enine-1-phosphocholine in which the acyl group has 17 carbons and 0 double bonds and is 2-hydroxylated.


A cationic sphingoid obtained by the protonation of the amino group of sphinga-4E,14Z-dienine; major species at pH 7.3.


sarcosinium

An alpha-amino-acid cation that is the conjugate acid of sarcosine, arising from protonation of the amino group.


phosphatidylcholine 42:4

A 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups at C-1 and C-2 contain 42 carbons in total with 4 double bonds.


An organic cation obtained by protonation of the tertiary amino group of irinotecan.


A phosphatidylcholine 38:0 in which the acyl groups specified at positions 1 and 2 are docosanoyl and hexadecanoyl respectively.


phosphatidylcholine (P-18:0/22:6)

A phosphatidylcholine P-40:6 in which the 1-alk-1-enyl group contains 18 carbons and no additional double bonds while the 2-acyl group contains 22 carbons and 6 double bonds.


The conjugate acid of 1-amino-1-deoxy-scyllo-inositol arising from protonation of the primary amino group.


neomycin C(6+)

An organic cation obtained by protonation of the six free amino groups of neomycin C; major species at pH 7.3.


phosphatidylcholine (16:1/16:1)

A phosphatidylcholine 32:2 in which both the fatty acyl groups at positions 1 and 2 are specified as C16:1.


A 1-O-(alk-1-enyl)-2-O-acyl-sn-glycero-3-phosphocholine in which the alkenyl group at position 1 is (1Z)-octadecenyl and the acyl group at position 2 is hexadecanoyl respectively.


An ammonium ion that is the conjugate acid of 1,2-distearoylphosphatidylethanolamine, arising from protonation of the amino group.


A sphingomyelin d18:1 in which the acyl group specified is tridecanoyl.


primary aliphatic ammonium ion

The conjugate acid of a primary aliphatic amine.


A piperidinium ion that is benzamide substituted on nitrogen by a 2-hydroxyethyl group and at the 4-position by a [3-(4-carboxybutanamido)-N-methylpiperidinio]methyl group.


sphingomyelin 16:1

A sphingomyelin in which the total number of carbons in the sphingoid base and fatty acyl groups is 16 with 1 double bond.


A 1,2-diacyl-sn-glycero-3-phosphocholine having palmitoyl and epoxyisoprostanoyl groups at the 1- and 2-positions respectively.


The (S)-enantiomer of laudanine(1+).


phosphatidylcholine (P-34:2)

A 1-O-(alk-1-enyl)-2-O-acyl-sn-glycero-3-phosphocholine in which the unspecified alk-1-enyl and acyl groups at positions 1 and 2 contain 34 carbon atoms in total with 2 additional double bonds in the acyl moiety.


phosphatidylcholine 40:1

A 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups at C-1 and C-2 contain 40 carbons in total with 1 double bond.


2-trimethylaminoethylphosphonic acid

A quaternary ammonium ion where three methyl groups and one 2-phosphoethyl group are attached to the nitrogen.


A phosphatidylcholine 36:4 in which the 1- and 2-acyl groups are specified as hexadecanoyl (palmitoyl) and 5E,8E,11E,14E-eicosatetraenoyl respectively.


rezafungin

A member of the family of echinocandins that inhibits 1,3-beta-D-glucan synthase. It is developed by Cidara Therapeutics and approved for the treatment of candidaemia and invasive candidiasis in patients aged >= 18 years who have limited or no alternative treatment options.


phosphatidylcholine 48:0

A 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups at C-1 and C-2 contain 48 carbons in total with 0 double bonds.


sphingomyelin 30:2

A sphingomyelin in which the total number of carbons in the sphingoid base and fatty acyl groups is 30 with 2 double bonds.


A cationic sphingoid that is the conjugate acid of tetradecasphingosine, obtained by protonation of the primary amino function; major species at pH 7.3.


Major species at pH 7.3


A phosphatidylcholine 32:0 in which the acyl group specified at positions 1 and 2 are myristoyl and stearoyl respectively.


An ammonium ion that is the conjugate acid of (R)-6-hydroxynicotine, obtained by protonation of the pyrrolidine nitrogen.


An ammonium ion derivative that is the conjugate acid of neopine arising from protonation of the tertiary amino group; major species at pH 7.3.


phosphatidylcholine (18:0/20:4)

A phosphatidylcholine 38:4 in which the fatty acyl groups at positions 1 and 2 are specified as C18:0 and C20:4 respectively.


A secondary ammonium ion that is the conjugate acid of (R)-salsolinol obtained by protonation of the amino group; major species at pH 7.3.


tetraphenylstibonium

A polyatomic cation consisting of four phenyl groups attached to stibonium.


ecgononium methyl ester(1+)

An organic cation that is the conjugate acid of ecgonone methyl ester arising from protonation of the tertiary amino group; major species at pH 7.3.


TPP+

A polyatomic cation consisting of four phenyl groups attached to a central phosphonium.


A phosphatidylcholine 36:2 in which both acyl groups have 18 carbons and 1 double bond each (position not specified).


An aromatic diazonium ion consiting of a benzene core with diazonium and trimethylammonium groups para to one another.


The conjugate base of cocaine arising from protonation of the tertiary amino group; major species at pH 7.3.


Conjugate acid of 6-O-methylnorlaudanosoline arising from protonation of the isoquinoline nitrogen.


A ammonium ion obtained by protonation of the secondary and quinoline nitrogens of (S)-2-methyl-1-(4-methylisoquinoline-5-sulfonyl)-1,4-diazepane.


A phosphatidylcholine O-40:2 in which the alkyl and acyl groups at positions 1 and 2 are octadecyl and (13Z,16Z)-docosadienoyl respectively.


The D-enantiomer of argininium(1+).


Tetraanion of thermospermine arising from protonation of all four amino groups; major species at pH 7.3.


sphingomyelin 30:3

A sphingomyelin in which the total number of carbons in the sphingoid base and fatty acyl groups is 30 with 3 double bonds.


phosphatidylcholine O-44:2

A glycerophosphocholine that is an alkyl,acyl-sn-glycero-3-phosphocholine in which the alkyl or acyl groups at positions 1 and 2 contain a total of 44 carbons and 2 double bonds.


A lysophosphatidylcholine 22:6 in which the acyl group is specified as (4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoyl and is located at position 2.


An ammonium ion resulting from the protonation of the primary amino group of benserazide.


An organic cation that is the conjugate acid of D-cycloserine, obtained by protonation of the amino group.


An organic cation obtained by protonation of the tertiary amino function of gramine; major species at pH 7.3.


sphingomyelin 33:0

A sphingomyelin in which the total number of carbons in the sphingoid base and fatty acyl groups is 33 with no double bonds.


phosphatidylcholine (19:1/18:2)

A phosphatidylcholine 37:3 in which the fatty acyl groups at positions 1 and 2 are specified as C19:1 and C18:2 respectively


EDELFOSINE

A glycerophosphocholine that is glycero-3-phosphocholine substituted at positions 1 and 2 by octadecyl and methyl groups respectively.


A phosphatidylcholine 42:5 in which the acyl groups specified at positions 1 and 2 are eicosanoyl and (7Z,10Z,13Z,16Z,19Z)-docosapentaenoyl respectively.


A 1-O-acyl-sn-glycero-3-phosphocholine in which the acyl group is specified as nonadecanoyl.


phosphatidylcholine (20:2/22:6)

A phosphatidylcholine 42:8 in which the fatty acyl groups at positions 1 and 2 are specified as C20:2 and C22:6 respectively.


A sphingomyelin 34:1 in which the N-acyl group and sphingoid base are specified as hexadecanoyl and sphingosine respectively.


A lysophosphatidylcholine 22:6 in which the remaining acyl group is (4Z,7Z,10Z,13Z,16Z,19Z)-docosa-4,7,10,13,16,19-hexaenoyl.


The tetracation of JOJO-1 dye.


An ammonium ion resulting from the protonation of the nitrogen of naloxone.


2-deoxystreptamine cation

An organic cation arising from protonation of the amino groups of any 2-deoxystreptamine antibiotic.


An amino-acid cation obtained by deprotonation of the carboxy group and protonation of the two amino groups of (3R)-3-methyl-D-ornithine; major species at pH 7.3.


A phosphatidylcholine 33:2 in which the 1- and 2-acyl groups are specified as pentadecanoyl and linoleoyl respectively.


Conjugate acid of (3S)-3,6-diaminohexanoic acid.


An organic cation obtained by protonation of the two free amino groups of 2'-deamino-2'-hydroxyparomamine; major species at pH 7.3.


A sphingomyelin d18:1 in which the ceramide N-acyl group contains 22 carbons, 1 hydroxy group and 1 double bond.


primary ammonium ion

An ammonium ion derivative resulting from the protonation of the nitrogen atom of a primary amino compound. Major species at pH 7.3.


An ammonium ion that is the conjugate acid of (S)-reticuline, arising from protonation of the tertiary amino group; major species at pH 7.3.


phosphatidylcholine O-34:2

A glycerophosphocholine that is an alkyl,acyl-sn-glycero-3-phosphocholine in which the alkyl or acyl groups at positions 1 and 2 contain a total of 34 carbons and 2 double bonds.


phosphatidylcholine O-38:6

A glycerophosphocholine that is an alkyl,acyl-sn-glycero-3-phosphocholine in which the alkyl or acyl groups at positions 1 and 2 contain a total of 38 carbons and 6 double bonds.


The ammonium betaine of a 2-acyl-sn-glycero-3-phosphocholine arising from deprotonation of the phosphate OH; major species at pH 7.3.


A N-acylsphinganine-1-phosphocholine in which the acyl group is pentadecanoyl.


An organic cation that is the conjugate acid of 1-[1-(1-benzothiophen-2-yl)cyclohexyl]piperidine, arising from protonation of the tertiary amino function.


An N-hydroxytetradecenoylsphingosine-1-phosphocholine in which the N-acyl group is specified as (9Z)-3-hydroxytetradec-9-enoyl.


phosphatidylcholine 36:2

A 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups at C-1 and C-2 contain 36 carbons in total and 2 double bonds.


An organic cation obtained by protonation of the isoquinoline and secondary amino functions of N-[2-(4-bromocinnamylamino)ethyl]isoquinoline-5-sulfonamide.


(S)-tembetarine

A tembetarine obtained by methylation of the tertiary amino function of (R)-reticuline.


A vinca alkaloid cation that is the conjugate acid of 17-O-deacetylvindoline.


chlormequat

A quaternary ammonium ion that is choline in which the hydroxy group has been replaced by a chlorine. Its salts (particularly the chloride salt, known as chlormequat chloride) are used as plant growth retardants.


mepiquat

A quaternary ammonium ion has that has two methyl groups and a pentamethylene-1,5-diyl group attached to the nitrogen. Its salts are used as plant growth inhibitors.


A 2-acyl-sn-glycero-3-phosphocholine in which the 2-acyl group contains 16 carbons and is fully saturated.


sphingomyelin 43:1

A sphingomyelin in which the total number of carbons in the sphingoid base and fatty acyl groups is 43 with 1 double bond.


An organic cation obtained by protonation of the tertiary amino group of nelfinavir.


An lysophosphatidylcholine derived from epoxidation across the double bond of 1-O-oleoyl-sn-glycero-3-phosphocholine.


lysophosphatidylcholine P-18:1

A monoalkyl-sn-glycero-3-phosphocholine in which the alkyl group is a 1-alkenyl group containing 18 carbons and 1 additional double bond.


phosphatidylcholine (P-16:0/20:4)

A phosphatidylcholine P-36:4 in which the 1-alk-1-enyl group contains 16 carbons and no additional double bonds while the 2-acyl group contains 20 carbons and 4 double bonds.


demecarium

The bis(quaternary ammonium) dication obtained by N,N'-dimethylation of the N,N'-bis[3-(dimethylamino)phenyl carbamate] derivative of 2,13-diazatetradecane.


phosphatidylcholine O-40:5

An alkyl,acyl-sn-glycero-3-phosphocholine in which the alkyl or acyl groups at positions 1 and 2 contain a total of 40 carbons and 5 double bonds.


A phosphatidylcholine 38:0 in which the acyl groups specified at positions 1 and 2 are octadecanoyl and eicosanoyl respectively.


sphingomyelin 38:0

A sphingomyelin in which the total number of carbons in the sphingoid base and fatty acyl groups is 38 with 0 double bonds.


A primary ammonium ion that is the conjugate acid of thiobenzyl benzyloxycarbonyl-L-lysinate resulting from the protonation of the primary amino group; major species at pH 7.3.


An organic cation obtained by protonation of the tertiary amino function of rivastigmine.


A phosphatidylcholine 34:2 in which the 1- and 2-acyl groups are specified as (9Z)-hexadecenoyl (palmitoleoyl) and (9Z)-octadecenoyl (oleoyl) respectively.


phosphatidylcholine O-42:0

An alkyl,acyl-sn-glycero-3-phosphocholine in which the alkyl or acyl groups at positions 1 and 2 contain a total of 42 carbons and 0 double bonds.


An ammonium ion derivative resulting from the protonation of the tertiary amino group of (-)-(R)-19-hydroxytabersonine. The major species at pH 7.3.


sphingomyelin 38:4

A sphingomyelin in which the total number of carbons in the sphingoid base and fatty acyl groups is 38 with 4 double bonds.


Conjugate acid of (+-)-5-[3-(tert-butylamino)-2-hydroxypropoxy]-1,2,3,4-tetrahydro-1-naphthol


A phosphatidylcholine O-32:2 in which the alkyl and acyl groups specified at positions 1 and 2 are (9Z)-hexadecenyl and (9Z)-hexadecenoyl respectively.


An ammonium ion obtained by protonation of the amino group of (2R)-1-aminopropan-2-ol.


A N-acyl-15-methylhexadecasphing-4-enine-1-phosphocholine in which the acyl group has 20 carbons and 0 double bonds and is 2-hydroxylated.


N-methyltryptaminium

Major microspecies at pH 7.3.


A phosphatidylcholine 38:5 in which the two acyl substituents at positions 1 and 2 are specified as oleoyl and arachidonoyl respectively.


A 1-alkyl-sn-glycero-3-phosphocholine in which the alkyl group is specified as decyl.


An organic cation that is the conjugate acid of 17-hydroxylupanine, arising from protonation of the hemiaminal nitrogen; major species at pH 7.3.


phosphatidylcholine 42:5

A 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups at C-1 and C-2 contain 42 carbons in total with 5 double bonds.


An organic cation obtained by protonation of the tertiary amino group of (R,R)-tramadol.


bis(p-nitrophenyl)phosphocholine

A member of the class of phosphocholines obtained by formal condensation of the phosphate group of phosphocholine with the phenolic groups of two molecules of 4-nitrophenol.


A phosphatidylcholine 38:4 in which the acyl groups specified at positions 1 and 2 are (9Z)-octadecenoyl and (5Z,8Z,11Z)-eicosatrienoyl respectively.


phosphatidylcholine O-38:5

A glycerophosphocholine that is an alkyl,acyl-sn-glycero-3-phosphocholine in which the alkyl or acyl groups at positions 1 and 2 contain a total of 38 carbons and 5 double bonds.


A phosphatidylcholine 40:6 in which the acyl groups at positions  1 and 2 are octadecanoyl and (4Z,7Z,10Z,13Z,16Z,19Z)-docosahexaenoyl respectively.


An ammonium ion derivative resulting from the protonation of the tertiary amino group of (-)-coronaridine.


lysophosphatidylcholine P-18:2

A 1-O-(alk-1-enyl)-sn-glycero-3-phosphocholine in which the alk-1-enyl group contains 18 carbons and 2 additional double bonds.


A 2-acyl-1-alkyl-sn-glycero-3-phosphocholine in which the alkyl and the acyl groups at positions 1 and 2 are specified as hexadecyl and formyl respectively.


A 1,2-diacyl-sn-glycero-3-phosphocholine in which the two acyl substituents at positions 1 and 2 are specified as stearoyl and alpha-linolenoyl respectively.


A sphingomyelin 40:1 obtained by formal condensation of the carboxy group of tricosanoic acid with the amino group of 14-methylhexadecasphingosine-1-phosphocholine. It is a metabolite of the nematode Caenorhabditis elegans.


A 2-acyl-1-alkyl-sn-glycero-3-phosphocholine in which the alkyl and the acyl groups at positions 1 and 2 are hexadecyl and butanoyl respectively.


edrophonium

A quaternary ammonium ion that is N-ethyl-N,N-dimethylanilinium in which one of the meta positions is substituted by a hydroxy group. It is a reversible inhibitor of cholinesterase, with a rapid onset (30-60 seconds after injection) but a short duration of action (5-15 minutes). The chloride salt is used in myasthenia gravis both diagnostically and to distinguish between under- or over-treatment with other anticholinesterases. It has also been used for the reversal of neuromuscular blockade in anaesthesia, and for the management of poisoning due to tetrodotoxin, a neuromuscular blocking toxin found in puffer fish and other marine animals.


phosphatidylcholine O-44:6

A glycerophosphocholine that is an alkyl,acyl-sn-glycero-3-phosphocholine in which the alkyl or acyl groups at positions 1 and 2 contain a total of 44 carbons and 6 double bonds.


arsenocholine

An arsonium ion that is choline in which the central nitrogen has been replaced by arsenic.


A secondary ammonium ion resulting from the protonation of the two amino groups of N,N'-bis(diphenylmethyl)ethane-1,2-diamine.


A sphingomyelin having sphinganine as the sphingoid component.


(S)-edelfosine

A 1-octadecyl-2-methylglycero-3-phosphocholine that is the (S)-enantiomer of edelfosine.


An N-acyl-15-methylhexadecasphing-4-enine-1-phosphocholine in which the acyl group has 23 carbons and 1 double bond.


A phosphatidylcholine 29:0 in which the fatty acyl groups at positions 1 and 2 are specified as tetradecanoyl and pentadecanoyl respectively


acridine half-mustard(2+)

An ammonium ion that is acridine half-mustard in which both of the secondary amino groups have been protonated.


phosphatidylcholine (16:0/18:3)

A phosphatidylcholine 34:3 in which the fatty acyl groups at positions 1 and 2 are specified as C16:0 and C18:3 respectively.


sphingomyelin 34:0

A sphingomyelin in which the total number of carbons in the sphingoid base and fatty acyl groups is 34 with 0 double bonds.


Any glycerophosphocholine having an oxidized fatty acyl component. Major species at pH 7.3.


A phosphatidylcholine O-44:4 in which the alkyl and acyl groups specified at positions 1 and 2 are tetracosyl and (8Z,11Z,14Z,17Z)-icosatetraenoyl respectively.


A 2-acyl-sn-glycero-3-phosphocholine in which the acyl group is specified as dodecanoyl.


A piperidinium ion obtained by protonation of the piperidine nitrogen of pimavanserin.


dodecyl(triphenyl)phosphonium

A polyatomic cation consisting of a dodecyl group and three phenyl groups attached to a central phosphonium.


hexadecanoylcholine

An acylcholine obtained by formal condensation of the carboxy group of hexadecanoic acid with the hydroxy group of choline.


A sphingomyelin d18:1 in which the N-acyl group is specified as (15Z)-tetracosenoyl.


phosphatidylcholine O-36:0

A glycerophosphocholine that is an alkyl,acyl-sn-glycero-3-phosphocholine in which the alkyl or acyl groups at positions 1 and 2 contain a total of 36 carbons and 0 double bonds.


A 1,2-diacyl-sn-glycero-3-phosphocholine in which the acyl groups at position 1 and 2 are specified as arachidonoyl and palmitoyl respectively.


Conjugate acid of codeinone.


An organic cation obtained by protonation of the secondary amino function of (R)-orciprenaline.


An organic cation obtained by protonation of the tertiary amino group of norajmaline; major structure at pH 7.3.


ICR 340(2+)

An ammonium ion that is ICR 340 (free base) in which the tertiary amino group and the nitrogen of the benzonaphthpyridine ring are protonated.


phosphatidylcholine O-42:3

An alkyl,acyl-sn-glycero-3-phosphocholine in which the alkyl or acyl groups at positions 1 and 2 contain a total of 42 carbons and 3 double bonds.


A 1,2-diacyl-sn-glycero-3-phosphocholine in which the 1- and 2-acyl groups are specified as octadecanoyl and penttadecanoyl respectively.


A PC(18:3/0:0) in which the 1-acyl group is specified as alpha-linolenoyl.


alaninium

An alpha-amino-acid cation that is the conjugate acid of alanine.


methylated primary amine(1+)

An organic cation obtained by protonation of any methylated primary amine; major species at pH 7.3.


An ammonium ion resulting from the protonation of the amino group of alvocidib.


sphingomyelin 37:1

A sphingomyelin in which the total number of carbons in the sphingoid base and fatty acyl groups is 37 with 1 double bond.