LEFRADAFIBAN

A member of the class of pyrrolidin-2-ones that is pyrrolidin-2-one in which the 3-pro-S-hydrogen is substituted by a 2-methoxy-2-oxoethyl group, while the 5-pro-S-hydrogen is substituted by a ({4'-[N-(methoxycarbonyl)carbamimidoyl]biphenyl-4-yl}oxy)methyl group. It is an orally active prodrug of fradafiban, a figrinogen receptor antagonist.


eribaxaban

A member of the class of pyrrolidines that is (2R,4R)-N(1)-(p-chlorophenyl)-4-methoxypyrrolidine-1,2-dicarboxamide in which the nitrogen of the 2-carbamoyl group has been substituted by a 2-fluoro-4-(2-oxopyridin-1(2H)-yl)phenyl group. It is a synthetic organic anticoagulant compound that targets activated factor Xa in the coagulation cascade.


A nitrile that is  pyridine substituted by a cyano group at position 3.


(S)-cycrimine

The (S)-enantiomer of cycrimine.


name: 2-(4-methoxyphenyl)-4,5-dioxo-1-(4-sulfamoylphenyl)-3-pyrrolidinecarboxylic acid ethyl ester


5-hydroxyfuran-2-carboxylic acid

A  hydroxy monocarboxylic acid that is furan substituted by a hydroxy group at position 5 and a carboxy group at position 2 respectively.


halopyranone

A pyranone substituted with one or more halogen atoms.


(NORTH)-METHANOCARBATHYMIDINE

A carbobicyclic compound that is bicyclo[3.1.0]hexane which is substituted at the 2-pro-S, 4-pro-S and 5-pro-R positions by thymin-1-yl, hydroxy, and hydroxymethyl groups, respectively.


aminopyridine

Compounds containing a pyridine skeleton substituted by one or more amine groups.


ethyl 3-(2-furyl)acrylate

A member of the class of furans that is furan substituted by a 3-ethoxy-3-oxoprop-1-en-1-yl group at position 2.


The monocarboxylic acid amide resulting from the formal condensation of the aryl amino group of N-(4-fluorophenyl)-1-(2-phenylethyl)piperidin-4-amine with propanoic acid.


A sulfonamide resulting from the formal condensation of the sulfonic acid group of 5-(phenylsulfonyl)-2-(trifluoromethyl)benzenesulfonic acid with the primary amino group of piperidin-4-amine. An inhibitor of secreted Frizzled-Related Protein-1 (sFRP-1).


methyl 3-aminopyrazine-2-carboxylate

A pyrazine that is substituted by a methoxycarbonyl group at position 2 and an amino group at position 3.


A chromone that is 3-(1,3-benzothiazol-2-yl)-8-(1-piperidinylmethyl)chromen-4-one bearing additional ethyl and hydroxy substituents at positions 6 and 7 respectively.


(S)-haloxyfop-methyl

A methyl 2-(4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenoxy)propanoate that has S configuration. It is the (much less active) enantiomer of the proherbicide haloxyfop-P-methyl.


aminopyralid

An organochlorine pesticide having a 3,6-dichlorinated 4-aminopicolinic acid structure.


A dihydrofuran that is 2,3-dihydrofuran substituted by a methyl group at position 4.


An acyl tetraketide pyran-2-one that is 4-hydroxy-2H-pyran-2-one in which the hydrogen at position 6 is replaced by a 13-hydroxy-2-oxononadecyl group.


(R)-diflumetorim

A 5-chloro-N-{1-[4-(difluoromethoxy)phenyl]propyl}-6-methylpyrimidin-4-amine that is the (R)-enantiomer of diflumetorim.


A member of the class of  chromenes that is 2H-1-benzopyran substituted by methyl groups at positions 2 and 2, an ethyl group at position 4 and a 4-methoxyphenyl group at position 3 respectively.


(S)-paliperidone

A 3-{2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl}-9-hydroxy-2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one that is the (S)-enantiomer of paliperidone.


azetidinecarboxylic acid

A member of the class of  azetidines that is azetidine substituted by at least one carboxy group at unspecified position.


A 1,3-diazepanone ring with two 4-(hydroxymethyl)benzyl groups as substituents at positions N-1 and N-4, two benzyl groups at C-4 and C-7, and two hydroxy groups at C-5 and C-6 respectively.


A hydroxycalciol that is calcitriol which has undergone formal oxidative coupling at positions 20 and 23 to the hydroxy group and methyl group, respectively, of methanol to afford the corresponding oxolane ring (the 20S,23R stereoisomer). It is less calcemic towards the vitamin D nuclear receptor than 1alpha,25-dihydroxyvitamin D3 in vivo.


A  monocarboxylic acid amide obtained by formal condensation between N-butyl-L-alaninamide and (2Z)-2-(2-furyl)-2-(methoxyimino)acetic acid.


A member of the class of oxazolidines that is 4,4-dimethyl-1,3-oxazolidine carrying an oxidanediyl group at position 3.


That one of the three tautomers of pyrrole which has the double bonds at positions 1 and 3.


tarocin A2

A member of the class of oxazolidinones that is oxazolidin-2-one substituted at positions 3, 4 and 5 by 3-(isoquinolin-4-ylmethyl)carbamoyl, methyl and 3-(trifluoromethyl)phenyl groups respectively. An inhibitor of teichoic acid biosynthesis.


trifludimoxazin

A member of the class of 1,3,5-triazinanes that is 6-sulfanylidene-1,3,5-triazinane-2,4-dione in which the hydrogens attached to the nitrogens adjacent to the thioxo group have been replace by methyl groups and in which the hydrogen attached to the remaining nitrogen has replaced by a 2,2,7-trifluoro-3-oxo-4-(prop-2-yn-1-yl)-3,4-dihydro-1,4-benzoxazin-6-yl group. A protoporphyrinogen oxidase inhibitor, it is used as a herbicide.


MONOPHOSPHOTHIAMINE

An organic chloride salt of thiamine(1+) monophosphate.


A pyrimidine 3'-deoxyribonucleoside that is cytidine in which the hydroxy group at position 3' is replaced by a hydrogen and a double bond is introduced between positions 3' and 4'. It is a metabolite of 3'-deoxy-3',4'-didehydro-CTP.


A member of the class of thiadiazoles that is 1,3,4-thiadiazol-2-amine which is substituted by a (5-nitro-1,3-thiazol-2-yl)sulfanediyl group at position 5. It is a c-Jun N-terminal kinase inhibitor (IC50 = 0.7uM) and exhibits antibacterial properties.


A furoic acid that is furan-3-carboxylic acid substituted by a methyl group at position 4, a propyl group at position 5 and a 2-carboxyethyl group at position 2. It is a potent uremic toxin that has been found to accumulate in human serum of patients with chronic kidney diseases.


piperidinemonocarboxylic acid

Any member of the class of piperidines in which one of the carbons of the piperidine ring is substituted by a carboxy group.


name: 2,6-dimethyl-4-(2-nitrophenyl)-3,4-dihydropyridine-3,5-dicarboxylic acid dimethyl ester


A 4-aryl-5-(2-hydroxyalkyl)pyridine derivative used as a glucagon receptor antagonist.


N-nonyldeoxynojirimycin

A hydroxypiperidine that is deoxynojirimycin (duvoglustat) in which the amino hydrogen is replaced by a nonyl group.


A N-alkylpiperazine that is piperazine substituted by a methyl and a 2-aminoethyl group at the N atoms respectively.


name: 1-[2-[(4-chlorophenyl)thio]-1-oxopropyl]-4-piperidinecarboxylic acid ethyl ester


A member of the class of dioxolanes that is 1,3-dioxolane substituted at position 2 by a 2-(2-methoxyethoxy)ethoxy group.


trikendiol

A  gamma-lactam that is an unusual red pigment isolated from the marine sponge Trikentrion laeve. It has been shown to exhibit anti-HIV1 activity.


(R)-imazamox

The (R)-enantiomer of 5-(methoxymethyl)-2-[4-methyl-5-oxo-4-(propan-2-yl)-4,5-dihydro-1H-imidazol-2-yl]pyridine-3-carboxylic acid.


A dioxolane that is 1,3-dioxolane substituted by methyl groups at positions 2, 4 and 5 respectively.


cefluprenam

A fourth-generation cephalosporin antibiotic having (1E)-3-[(2-amino-2-oxoethyl)(ethyl)methylazaniumyl]prop-1-en-1-yl and {(2Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-[(fluoromethoxy)imino]acetyl}amino side groups located at positions 3 and 7 respectively.


A  pyridone that is 4-hydroxy-6-oxo-1,6-dihydropyridine-2-carboxylic acid substituted by a 3-carboxy-3-oxopropyl group at position 5.


A member of the class of piperazines that is piperazine in which the pro-S hydrogens at positions 2 and 5 have each been replaced by a p-hydroxybenzyl group.


name: N-(4-methyl-5-thiadiazolyl)carbamic acid 2-methylpropyl ester


5-pyridoxic acid

A pyridinemonocarboxylic acid that is pyridine-3-carboxylic acid substituted by a hydroxy group at position 5, hydroxy methyl group at position 4 and a methyl group at position 6.


aziridine aldehyde

Aziridines containing an aldehyde group.


LANPERISONE

A 2-methyl-3-(pyrrolidin-1-yl)-1-[4-(trifluoromethyl)phenyl]propan-1-one in which the methyl group at position 2 adopts R-configuration. It is a muscle relaxant and induces ferroptosis in cancer cells.


linalool 3,6-oxide primeveroside

A disaccharide derivative obtained by formal condensation of the hydroxy group of linalool 3,6-oxide with the anomeric centre of beta-D-xylosyl-(1->6)-beta-D-glucose


afidopyropen

An organic heterotetracyclic compound that is 1,3,4,4a,5,6,6a,12,12a,12b-decahydro-2H,11H-benzo[f]pyrano[4,3-b]chromen-11-one which is substituted by methyl groups at positions 4, 6a, and 12b; hydroxy groups at positions 3, 6, and 9; and a cyclopropycarbonyloxymethyl group and a cyclopropylcarbonyloxy group at positions 17 and 18 respectively, and a pyridin-3-yl group at position 14 (the (3S,4R,4aR,6S,6aS,12R,12aS,12bS stereoisomer). It is an insecticide that is effective against sucking insects on fruit, vegetables and nuts.


A member of the class of isoquinolines that is the sulfonamide formed by the formal condensation of the sulfo group of 4-methylisoquinoline-5-sulfonic acid with the 1-amino group of (S)-2-methyl-1,4-diazepane.


pyridine-3-carbaldehyde oxime

An aldoxime obtained by the formal condensation of the aldehyde group of pyridine-3-carbaldehyde (nicotinaldehyde) with hydroxylamine.


A member of the class of imidazoles that is 1H-imidazole which is substituted at positions 1, 4, and 5 by cyclohexyl, p-fluorophenyl, and 2-aminopyrimidin-4-yl groups, respectively. It is a selective inhibitor of the delta- and epsilon-isoforms of casein kinase 1 (CK1delta and CK1epsilon).


A dicarboximide that is thalidomide substituted at position 5 by an ethenyl group, which in turn is substituted by two feruloyl groups at position 2. The compound is a hybrid based on the structures of thalidomide and curcumin and has been found to exhibit cytotoxicity against human multiple myeloma cells.


A 2-pyranone in which the hydrogens at positions 4 and 6 of 2H-pyran-2-one are replaced by hydroxy and heptadecyl groups respectively.


Ro 25-6981

A member of the class of piperidines that is 4-benzylpiperidine substituted by a 3-hydroxy-3-(4-hydroxyphenyl)-2-methylpropyl group at position 1 (the 1R,2S-stereoisomer). It is a potent antagonist of the GluN2B subunit of the N-methyl-D-aspartate (NMDA) receptor.


iptacopan

A member of the class of indoles that is 1H-indole substituted by [(2S,4S)-2-(4-carboxyphenyl)-4-ethoxypiperidin-1-yl]methyl, methoxy, and methyl groups at positions 4, 5, and 6, respectively. It is a potent inhibitor of complement factor B (IC50 = 10nM) with potential immunomodulatory activity.


(R)-eperisone

A 1-(4-ethylphenyl)-2-methyl-3-(piperidin-1-yl)propan-1-one that has R configuration.


MELOPHLIN R

A member of the class of pyrrolidin-2-ones that is 1,5-dimethylpyrrolidine-2,4-dione substituted by a 1-hydroxy-12-methyltetradecylidene moiety at position 3. Isolated from the marine sponge Melophlus sarasinorum and other species of genus Melophlus, it exhibits cytotoxicity against murine leukemia cell line.


A secondary carboxamide resulting from the formal condensation of the carboxy group of N-[(benzyloxy)carbonyl]-O-tert-butyl-L-serine with the primary amino group of ethyl (2E,4S)-5-[(3S)-2-oxopyrrolidin-3-yl]-4-(L-phenylalanylamino)pent-2-enoate. It is a potent enterovirus 3C protease inhibitor with EC50 of 180 nM against enterovirus 71 (EV71) and 60 nM against human rhinovirus 14 in a live virus-cell-based assay.


haloxyfop-etotyl

A racemate comprising equimolar amounts of haloxyfop-P-etotyl and its less active enantiomer, (S)-haloxyfop-etotyl. It is a proherbicide (by ester hydrolysis to give the corresponding carboxylic acid) used to control annual and perennial grass weeds.


A member of the class of furans that is furan-2-ol in which the hydrogen at position 5 has been replaced by a undeca-3,5,7-trien-1-yl group. The configuration of the undecatrienyl double bonds is not stated.


haloxyfop-P-etotyl

A 2-ethoxyethyl 2-(4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenoxy)propanoate that has R configuration.


An N-acylpiperidine that is piperidine in which the hydrogen attached to the nitrogen is replaced by an acetyl group.


phenguignardic acid

A member of the class of dioxolanes that is 1,3-dioxolane substituted by a carboxy, benzyl and benzylidene groups at positions 2, 2 and 4, respectively. It is a phytotoxic metabolite of the grape black rot fungus Guignardia bidwellii.


name: 1-(4-amino-1,2,5-oxadiazol-3-yl)-5-[(2-pyridinylthio)methyl]-4-triazolecarboxylic acid propan-2-yl ester


A substituted diphenylfuran in which two amino(cyclopropylamino)methyl substituents are located at the two para-positions on the phenyl rings.


A pyranone based on the structure of 2H-pyran-2-one and its substituted derivatives.


name: 2-[(2R,3S,6S)-2-(hydroxymethyl)-3-(1-oxopropylamino)-3,6-dihydro-2H-pyran-6-yl]acetic acid methyl ester


pyriofenone

An aromatic ketone that is metrafenone in which the 3-bromo-6-methoxy-2-methylphenyl group is replaced by a 5-chloro-2-methoxy-4-methylpyridin-3-yl group. It is a fungicide developed for the control of powdery mildew in cereals and grape vines.


A tripeptide that consists of N(6)-lysyl-lysyl-lysinamide where the two side-chain amino functions are acylated by 4-(indol-3-yl)butanoyl and 6-[(5-nitro-2-furoyl)amino]hexanoyl groups.


PIPACYCLINE

Tetracycline in which a hydrogen attached to the amide nitrogen is substituted by a 4-[(2-hydroxyethyl)piperazin-1-yl]methyl group.


cyanopyridine

Any pyridine carrying at least one cyano substituent.


An L-phenylalanine derivative that is N-(2,6-dichlorobenzoyl)-L-phenylalanine carrying an additional 1,6-dimethyl-2-oxo-4-(trifluoromethyl)-1,2-dihydropyridin-3-yl substituent at position 4 on the phenyl ring.


An N-{5-[2-{4-[2-(dimethylamino)ethoxy]phenyl}-4-(pyridin-4-yl)-1H-imidazol-5-yl]-2,3-dihydro-1H-inden-1-ylidene}hydroxylamine in which the oxime group has Z configuration.


A member of the class of morpholines that is 2,6-dimethylmorpholine in which the hydrogen attached to the nitrogen is replaced by an undecyl group. The configuration at positions 2 and 6 is unknown or unspecified.


tunicamycin B1

A nucleoside that is one of the homologues in the mixture that is tunicamycin, characterised by a pentadec-2-enoyl fatty acyl substituent on the amino group of the tunicamine moiety.


name: 4-(3-hydroxyphenyl)-1-(thiophen-2-ylmethyl)-4H-pyridine-3,5-dicarboxylic acid dimethyl ester


compound 13b [PMID: 32198291]

A secondary carboxamide resulting from the formal condensation of the carboxy group of (2S)-2-{3-[(tert-butoxycarbonyl)amino]-2-oxopyridin-1(2H)-yl}-3-cyclopropylpropanoic acid with the primary amino group of (2R,3S)-3-amino-N-benzyl-2-hydroxy-4-[(3S)-2-oxopyrrolidin-3-yl]butanamide. It is an inhibitor of SARS-CoV-2 main protease.


L-cycloserine

A 4-amino-1,2-oxazolidin-3-one that has S configuration. An antibiotic isolated from Erwinia uredovora.


name: 2-(3,5-dimethyl-1-pyrazolyl)-4-(4-hydroxyanilino)-5-pyrimidinecarboxylic acid ethyl ester


A pyrimidine compound having a 2-methoxy-4-(4-methylpiperazin-1-yl)anilino group at the 2-position, a 3-(acryloylamino)phenoxy group at the 4-position, and a chloro substituent at the 5-position.


SULFOMETURON

An N-sulfonylurea that is urea substituted by 4,6-dimethylpyrimidin-2-yl and (2-carboxyphenyl)sulfonyl groups at positions 1 and 3, respectively.


jasmolactone

A member of the class of 2-pyranones that is tetrahydro-2H-pyran-2-one substituted by a pent-2-en-5-yl group at position 6. It is used as a flavouring agent and as an ingredient in perfumes.


fenadiazole

A biaryl that is phenol which is substituted at position 2 by a 1,3,4-oxadiazol-2-yl group. Formerly used as a hypnotic drug.


sch 213766

A pyrrolidinone derivative that is the methyl ester of sch 210972. Isolated from fungal fermentation broth of Chaetomium globosum, it exhibits inhibitory activity against chemokine receptor CCR-5.


A methylpyridine carrying a methyl substituent at position 2.


colibactin

A member of the class of 1,3-thiazoles that comprises of two units of 2-[(2-{6-[(2S)-2-methyl-3,4-dihydro-2H-pyrrol-5-yl]-5-oxo-4-azaspiro[2.4]hept-6-en-7-yl}acetamido)methyl]-1,3-thiazole-4-carboxylic acid linked together via the formal condensation of the carboxy groups. It is a secondary metabolite produced by certain strains of bacteria found in the human gut such as Escherichia coli. It has the ability to bind covalently to DNA and is strongly associated with colorectal cancer.


PLAKORTIDE F (FREE ACID)

A marine-derived polyketide endoperoxide that exhibits strong inhibitory activity against the opportunistic fungal pathogens Candida albicans, Cryptococcus neoformans and Aspergillus fumigatus.


arterolane

An oxaspiro compound that is dispiro[cyclohexane-1,3'-[1,2,4]trioxolane-5',2''-tricyclo[3.3.1.1(3,7)]decane] substituted by a 2-[(2-amino-2-methylpropyl)amino]-2-oxoethyl group at position 4s. Its maleic acid salt is used as an antimalarial drug in combination with piperaquine.


The 6-hydroxy derivative of pseudooxynicotine.


A member of the class of furans that is furan in which the hydrogens at positions 2 and 5 are replaced by ethyl and methyl groups, respectively.


An aminopyridine that is 4-aminopyridine which is substituted by a hydroxymethyl group at position 3. It is a potassium channel blocker which restores axonal conduction after spinal cord injury.


A member of the class of pyrazines that is pyrazine with an ethyl group at position 2 and a methyl group at position 5 or vice versa. Found in tea, soybean paste, chocolate and sesame seed oil.


(S)-(-)-pefurazoate

A pent-4-en-1-yl 2-[(2-furylmethyl)(imidazol-1-ylcarbonyl)amino]butanoate that is the (S)-enantiomer of pefurazoate.


(E)-jasmolactone

A jasmolactone in which the double bond adopts a trans-configuration.


Major microspecies at pH 7.3


(S)-NIPECOTIC ACID

The (S)-enantiomer of nipecotic acid.


A member of the class of furans that is furan in which the hydrogen at position 2 is replaced by a decyl group.


pyridinium dichromate

A pyridinium salt that is the dipyridinium salt of dichromic acid. It is a strong oxidizing agent which can convert primary and secondary alcohols to aldehydes and ketones respectively.


A carbamate ester that is the methyl ester of 2-(hydroxymethyl)pyrrolidine-1-carboxylic acid.


name: 4-[[2-furanyl(oxo)methyl]amino]benzoic acid propan-2-yl ester


diphenylfuran

A member of the class of diphenyl furans that is furan in which two of the hydrogens have been replaced by phenyl groups.


piroctone

A cyclic hydroxamic acid that consists of 1-hydroxypyridin-2-one bearing methyl and 2,4,4-trimethylpentyl substtituents at positions 4 and 6 respectively.


sch 210971

A member of the class of pyrrolidin-2-ones isolated from the fungal fermentation broth of Chaetomium globosum and shown to exhibit inhibitory activity against chemokine receptor CCR-5.


An N-{5-[2-{4-[2-(dimethylamino)ethoxy]phenyl}-4-(pyridin-4-yl)-1H-imidazol-5-yl]-2,3-dihydro-1H-inden-1-ylidene}hydroxylamine in which the oxime group has E configuration.


A member of the class of 2-pyranones that is tetrahydro-2H-pyran-2-one substituted by a methyl and hydroxy group at position 4.


An acyl tetraketide pyran-2-one that is 4-hydroxy-2H-pyran-2-one in which the hydrogen at position 6 is replaced by a 3-methyl-2-oxoheptadecyl group.


LCL161 is a small molecule inhibitor of IAPs that has potent antitumour activity in a range of solid tumours. In HCC, response to LCL161 therapy has shown to be mediated by Bcl-2 expression.


A monocarboxylic acid amide that is the butyl amide derivative of adenosine 5'-carboxylic acid.


fluopimomide

A benzamide resulting from the formal condensation of the carboxy group of 2,3,5,6-tetrafluoro-4-methoxybenzoic acid with the amino group of 1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]methanamine. It is a benzamide fungicide, synthesized by Shandong Sino-Agri United Biotechnology Co., Ltd (China). Used for the control of cucumber and grape downy mildew, phytophthora capsici, litchi downy blight, potato late blight, rice sheath blight, and cotton rhizoctonia solani.


E3040 SULFATE

An aryl sulfate obtained by sulfation of the phenolic hydroxy group of the anti-inflammatory drug, E3040. It is one of the major metabolites of E3040.


sulfametoxydiazine

A sulfonamide consisting of pyrimidine having a methoxy substituent at the 5-position and a 4-aminobenzenesulfonamido group at the 2-position.


adenosines

Any purine ribonucleoside that is a derivative of adenosine.


DEXTROBUPIVACAINE

The (R)-(+)-enantiomer of bupivacaine.


fluchloraminopyr-tefuryl

A tetrahydrofuran-2-ylmethyl 2-[(4-amino-3,5-dichloro-6-fluoropyridin-2-yl)oxy]propanoate that has (R)-configuration. It is the proherbicde of fluchloraminopyr.


A primary alcohol resulting from the cleavage of the phosphate group of the prodrug PF-07304814. It is an inhibitor of SARS-CoV-1 and -2 main protease (3CLpro) and exhibits potent in vitro antiviral activity.


2'-deoxyytidine in which one of the exocyclic amino hydrogens is substituted by an acetyl group.


A furan having a nitro group at position 5 and a carboxamido group in turn bearing a long-chain polyether-based multifunctional N-alkyl group at position 2.


pyrimidine deoxyribonucleoside

A deoxyribonucleoside containing a pyrimidine base.


epoxyqueuosine

A 7-deazaguanine ribonucleoside obtained by formal epoxidation of the cyclohexene moiety of queuosine.


A 2,2'-bithiophene that is 1,3,4-oxadiazole bearing 2,2'-bithiophen-5-yl and 4-methoxybenzyl groups at positions 2 and 5 respectively.


(R)-paliperidone palmitate

A 3-{2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl}-2-methyl-4-oxo-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-9-yl hexadecanoate that is the (R)-enantiomer of paliperidone palmitate.


tunicamycin A1

A nucleoside that is one of the homologues in the mixture that is tunicamycin, characterised by a 12-methyltridec-2-enoyl fatty acyl substituent on the amino group of the tunicamine moiety.


name: 4-acetamidobenzenesulfonic acid [2-(1-piperidinyl)phenyl] ester


prosolanapyrone III

A prosolanapyrone that is prosolanapyrone II in which the hydroxy group has been oxidised to afford the corresponding aldehyde.


A guanosine derivative having a carboxymethyl group attached at the N(2)-position.


A member of the class of furans that is furan in which the hydrogen at position 2 is replaced by a nonyl group.


A methyladenosine compound with two methyl groups attached to N(6) of the adenine nucleobase.


ISOPROTHIOLANE

A malonate ester that is diisopropyl malonate in which the two methylene hydrogens at position 2 are replaced by a 1,3-dithiolan-2-ylidene group. An insecticide and fungicide used to control a range of diseases including Pyricularia oryzae, Helminthosporium sigmoideum and Fusarium nivale.


name: 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylic acid O3-(2-methoxyethyl) ester O5-(3-phenylprop-2-enyl) ester


(S)-DOXAPRAM

The (S)-enantiomer of doxapram.


butalbital

A member of the class of  barbiturates that is barbituric acid in which the hydrogens at position 5 are substituted by an allyl group and an isobutyl group. Frequently combined with other medicines, such as aspirin, paracetamol and codeine, it is used for treatment of pain and headache.


MILITARINONE A

A pyridine alkaloid that is 1,4-dihydroxypyridin-2(1H)-one substituted by a cis-1,4-dihydroxycyclohexyl group at position 5 and a (2E,4E,6E,8R,10R)-6,8,10-trimethyldodeca-2,4,6-trienoyl moiety at position 3. It is isolated from the mycelium of the entomogenous fungus, Paecilomyces militaris and has been found to induce pronounced neurite sprouting.


nipecotamide

The amide resulting from the formal condensation of nipecotic acid with ammonia.


(R)-fenarimol

A (2-chlorophenyl)(4-chlorophenyl)pyrimidin-5-ylmethanol that has R configuration.


A pyrimidone that is uracil which is substituted at positions 1, 5, and 6 by ethoxymethyl, isopropyl, and 3,5-dimethylbenzyl groups, respectively.


A piperidinecarboxamide that is TEMPO carrying an acetamido group at position 4.


DIPHEMANIL METHYLSULFATE

The alkene resulting from the formal Wittig olefination of benzophenone and 1,1-dimethyl-4-bromopiperidinium methylsulfate. A quaternary ammonium anticholinergic, it binds muscarinic acetycholine receptors and thereby decreases secretory excretion of stomach acids, saliva and sweat, It is used topically in the treatment of hyperhidorsis (excessive sweating).


A member of the class of furans that is furan in which the hydrogen at position 2 is replaced by a butyl group. It is a constituent found in several plant species and some cooked foods.


diaminopyridine

Compounds containing a pyridine skeleton substituted by two amino groups.


A member of the class of pyrrolidin-2-ones that is pyrrolidin-2-one in which a hydrogen at the 3 pro-S position is replaced by a 3-oxododecanamido group.


dialurate

A barbiturate anion resulting from deprotonation of the carbon bearing the hydroxy group of dialuric acid. Major microspecies at pH 7.3


ropivacaine

The piperidinecarboxamide obtained by the formal condensation of N-propylpipecolic acid and 2,6-dimethylaniline.


ammodendrine

A piperidine alkaloid that is piperidine substituted by a 1-acetyl-1,4,5,6-tetrahydropyridin-3-yl group at position 2 (the 2R-stereoisomer).


A pyrimidone that is thymine which is substituted at position 6 by a [(4R,5R)-4-(hydroxymethyl)thymin-5-yl]methyl group.


Pefurazoate

A racemate comprising equimolar amounts of (R)- and (S)-pefurazoate. Pefurazoate is a seed treatment with preventative and curative activity against ascomycetes, basidiomycetes and deuteromycetes.


bensulfuron

An N-sulfonylurea that is urea in which a hydrogen attached to one of the nitrogens has been replaced by an (o-carboxybenzyl)sulfonyl group, while a hydrogen attached to the other nitrogen has been replaced by a 4,6-dimethoxypyrimidin-2-yl group. An acetolactate synthase inhibitor, it is used (particularly as its methyl ester, bensulfuron-methyl) as a herbicide for the control of a variety of both annual and perennial weeds in crops, particularly wheat and rice.


VERATRAMINE

A piperidine alkaloid comprising the 14,15,16,17-tetradehydro derivative of veratraman having two hydroxy groups at the 3- and 23-positions.


premycofactocin

A member of the class of pyrrolidin-2-ones that is pyrrolidine-2,3-dione which is substituted by two methyl groups at position 4 and by a 4-hydroxybenzyl group at position 5. It is a biologically active redox cofactor used by Mycobacterium smegmatis carveol dehydrogenase in the oxidation of carveol.


(R)-fenpropimorph

A 4-[3-(4-tert-butylphenyl)-2-methylpropyl]-2,6-dimethylmorpholine in which the methyl substituents on the morpholine ring are in a cis relationship to each other and in which the remaining stereocentre has R configuration.


hexadehydroastechrome

An iron(III) hydroxamate that is astechrome in which the 3-methylbut-2-en-1-yl groups have been oxidised to 3-methylbuta-1,3-dien-1-yl groups. First isolated from Aspergillus fumigatus.


A member of the class of 2-pyranones that is tetrahydro-2H-pyran-2-one substituted by a hex-3-en-1-yl group at position 6.


A ketoxime that is the oxime of indan-1-one in which the hydrogen at position 5 has been replaced by an imidazol-5-yl group which has itself been substituted at positions 2 and 4 by p-[2-(dimethylamino)ethoxy]phenyl and pyridin-4-yl groups, respectively.


gibepyrone A

A member of the class of 2-pyranones that is 2H-pyran-2-one in which the hydrogens at positions 3 and 6 are replaced by methyl and (2E)-2-buten-2-yl groups, respectively. It is a mycotoxin produced by the rice pathogen Fusarium fujikuroi.


pulcherriminic acid

A pyrazine N-oxide that is pyrazine-1,4-dioxide substituted at positions 2 and 5 by hydroxy groups and at positions 3 and 6 by isobutyl groups. Formed by oxidative aromatisation of cyclo(L-leucyl-L-leucyl).


tirofiban

A member of the class of piperidines that is L-tyrosine in which a hydrogen attached to the amino group is replaced by a butylsulfonyl group and in which the hydrogen attached to the phenolic hydroxy group is replaced by a 4-(piperidin-4-yl)butyl group.


PYRITHIONE

A  pyridinethione that is pyridine-2(1H)-thione in which the hydrogen attached to the nitrogen is replaced by a hydroxy group. It is a Zn(2+) ionophore; the zinc salt is used as an antifungal and antibacterial agent.


A member of the class of  morpholines that is  morpholine substituted by a 3-aminopropyl group a the N atom.


CRYPTOCARYOL E

A member of the class of 2-pyranones that is 5,6-dihydro-2H-pyran-2-one substituted by a hydroxy group at position 5 and a 2,4,6,8-tetrahydroxytricosyl group at position 6. It has been isolated from Cryptocarya species.


PYRIDINE-2,5-DICARBOXYLIC ACID

A pyridinedicarboxylic acid carrying carboxy groups at positions 2 and 5.


5-aminonicotinic acid

An aminonicotinic acid in which the amino group is situated at position 5 of the pyridine ring.


A member of the class of  thioureas that is 3,4-dihydropyrimidine-2(1H)-thione substituted by a 3-methoxyphenyl group at position 4, a methyl group at position 6 and a ethoxycarbonyl group at position 5.


A  lignan isolated from the stems of Sinocalamus affinis.


vinylaziridines

Vinylaziridine and its substitution derivatives.


A pyrimidone that is thymine in which the hydrogen at position 6 is substituted by a 3-hydroxypropyl group.


An acyl tetraketide pyran-2-one that is 4-hydroxy-2H-pyran-2-one in which the hydrogen at position 6 is replaced by a 2-oxoundec-10-en-1-yl group.


A carbobicyclic compound that is bicyclo[3.1.0]hexane which is substituted at the 1-pro-S, 3-pro-S, and 4-pro-R positions by thymin-1-yl, hydroxy, and hydroxymethyl groups, respectively.


name: 6-(2-chlorophenyl)-3,4-dimethyl-2-oxo-1,6-dihydropyrimidine-5-carboxylic acid 2-methylpropyl ester


An aminopyrimidine compound having its amino group at position 2 and chloro and methyl substituents at positions 4 and 6 respectively.


3-hydroxypyridine sulfate

A member of the class of pyridines that is 3-hydroxypyridine in which the hydroxy hydrogen has been replaced by a sulfo group.


dioxazine

Any six-membered organic heteromonocyclic compound that contains one nitrogen and two oxygen atoms.


RAVENIC ACID

A member of the class of pyrrolidin-2-ones that is pyrrolidine-2,4-dione substituted at position 3 by a deca-2,4,6,8-tetraen-1-ylidene group which in turn is substituted by a hydroxy and methyl substituents at positions 1 and 4 respectively. It is an antibiotic isolated from Penicillium sp.


A vinylaziridine that consists of aziridine having a single vinyl group located at position 1.


A purine 3'-deoxyribonucleoside that is inosine in which the hydroxy group at position 3' is replaced by a hydrogen.


compactin diol lactone

A carbobicyclic compound that is ML-236C substituted by a hydroxy group at position 8S. It is a fungal metabolite isolated from Penicillium citrinum and exhibits anticholesteremic activity.


pyrimidine nucleobase

A nucleobase whose skeleton is derived from pyrimidine.


(R)-nipecotamide

The (3R)-enantiomer of nipecotamide.


name: 5-[[[2-[[2-furanyl(oxo)methyl]amino]phenyl]-oxomethoxy]methyl]-3-methyl-1H-pyrrole-2,4-dicarboxylic acid diethyl ester


An aminopyrimidine that is N-cyclohexyl-N-methylpyrimidin-2-amine in which the pyrimidine ring is substituted at position 4 by an imidazo[1,2-a]pyridin-3-yl group. It is an inhibitor of interleukin-1 receptor-associated kinase 4 (IRAK-4; EC 2.7.11.1).


NIGERAPYRONE E

A member of the class of 2-pyranones that is 2H-pyran-2-one substituted by a methoxy group at position 4, a methyl group at position 3 and a 3-oxobut-1-en-1-yl group at position 6. It has been isolated from an endophytic fungus Aspergillus niger.


pyrimidine-2,4-dicarbothioic O-acid

A member of the class of pyrimidines that is pyrimidine which is substituted by hydroxycarbonothioyl groups at positions 2 and 4.


name: 4-(2-benzamidoethylamino)-1-piperidinecarboxylic acid ethyl ester


A member of the class of quinolines that is 2-methoixyquinoline carrying additional 4-chlorobenzyl and (4-carboxamidinopiperidin-1-yl)methyl substituents at positions 3 and 6 respectively.


diazoline

A five-membered organic heteromonocyclic compound containing two nitrogen atoms and a double bond.


An aldehyde that is furan substituted by a formyl group at position 3.


nectriapyrone  D

A member of the class of nectriapyrones that is nectriapyrone that carries a hydroxy group at position 4. It is a fungal metabolite isolated from Diaporthe gulyae.


An aromatic amide obtained by formal condensation of the carboxy group of 2-furoic acid with the aromatic amino group of 4-chloro-3-([1,3]oxazolo[4,5-b]pyridin-2-yl)aniline.


fumigermin

A member of the class of nectriapyrones that is 2H-pyran-2-one which is substituted at positions 3, 4, 5 and 6 by methyl, hydroxy, methyl and but-2-en-2-yl groups, respectively. It is a secondary metabolite produced by Aspergillus fumigatus and inhibits germination of spores of the inducing Streptomyces rapamycinicus.


S-adenosylmethioninamine

The S-adenosyl derivative of methioninamine. It acts as the aminopropyl donor in the biosynthesis of the polyamines, spermidine and spermine.


A  monocarboxylic acid amide obtained by formal condensation between N-butyl-L-cysteinamide and (2Z)-2-(2-furyl)-2-(methoxyimino)acetic acid.


A furan carrying acetyl and methyl substituents at the 2- and 5-positions respectively.


aminonicotinic acid

An aromatic amino acid that is nicotinic acid in which one of the hydrogens attached to the pyridine ring is replaced by an amino group. A 'closed class'.


A furan carrying an acetyl substituent at the 2-position. Used in the production of the antibiotic cefuroxime (CHEBI:3515).


rilpivirine

An aminopyrimidine that is pyrimidine-2,4-diamine in which the amino groups at positions 2 and 4 are substituted by 4-cyanophenyl and 4-[(E)-2-cyanovinyl]-2,6-dimethylphenyl groups respectively. Used for treatment of HIV.


purine ribonucleoside

A ribonucleoside that has a purine moiety as the nucleobase (the R group in the illustration).


SALINIPYRONE A

A member of the class of 2-pyranones that is 2H-pyran-2-one in which the hydrogens at positions 3, 4, 5 and 6 are replaced by methyl, hydroxy, methyl and (1E,3E,5S,6R)-6-hydroxy-3,5-dimethylocta-1,3-dienyl groups, respectively. It is a polyketide isolated from the marine actinomycete Salinispora pacifica.


name: 3-[[2-[4-(3-chlorophenyl)-1-piperazinyl]-1-oxoethyl]amino]-1H-indole-2-carboxylic acid methyl ester


aspyridone B

2-Pyridone carrying as substituents a branched dimethylhexanoyl group, a hydroxy group and a 3,4-dihydroxyphenyl group at C-3, -4 and -5 respectively. Secondary metabolite produced by Aspergillus spp.


A member of the class of furans that is furan in which the hydrogen at position 3 is replaced by a phenyl group. It is a  maillard reaction product identified in mushroom hydrolysates.


(R)-toloxatone

The (R)-enantiomer of toloxatone.


A methylpyridine in which the methyl substituent is at position 4.


A pyrimidone that is cytosine in which the hydrogen attached to the nitrogen at position 3 is substituted by a methyl group.


nafadotride

A naphthalenecarboxamide resulting from the formal condensation of the carboxylic acid group of 4-cyano-1-methoxynaphthalene-2-carboxylic acid with the primary amino group of 1-(1-butylpyrrolidin-2-yl]methanamine. It is a highly potent, competitive, preferential dopamine D3 receptor antagonist, centrally active upon systemic administration.


AMPK activator PT 1

A member of the class of furans that in which the furan ring is substituted by a (2-amino-4-oxo-1,3-thiazol-5(4H)-ylidene)methyl group at position 2 and a 4,5-dimethyl-2-nitrophenyl group at position 5, and i which the amino substituent of the thiazolone has been substituted by a 3-carboxy-4-chlorophenyl group. It is a direct activator of the alpha-subunit of AMP-activated protein kinase (5' adenosine monophosphate-activated protein kinase, AMPK).


A piperidone that consists of 3-hydroxybutanoic acid substituted at position 2 by a 3-amino-6-hydroxy-2-oxopiperidin1-yl group.


name: 4-amino-2-[(4-amino-6-anilino-1,3,5-triazin-2-yl)methylthio]-5-pyrimidinecarboxylic acid ethyl ester


(R)-omeprazole

A 5-methoxy-2-{[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulfinyl}-1H-benzimidazole that has R configuration at the sulfur atom.


(-)-(R)-efonidipine

A 2-[benzyl(phenyl)amino]ethyl 5-(5,5-dimethyl-2-oxido-1,3,2-dioxaphosphinan-2-yl)-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylate that has (R)-configuration. It is a selective blocker of T-type Ca(2+) channels.


name: N,N'-diphenylcarbamimidothioic acid [1-(3-methylphenyl)-2,5-dioxo-3-pyrrolidinyl] ester


linaloyl oxide

A member of the class of oxanes carrying a vinyl substituent at position 2 as well as three methyl substituents at positions 2, 6 and 6.


A pyrimidine nucleoside derived from the formal condensation of the N(1)-nitrogen of 4-amino-5-methylcytosine with 2,5-anhydro-4-(hydroxymethyl)-alpha-L-lyxofuranose.


name: 1-[(4-chlorophenyl)methyl]-4-(4-chlorophenyl)sulfonyl-4-piperidinecarboxylic acid ethyl ester


furan-2,5-dicarboxylic acid

A member of the class of furans carrying two carboxy substituents at positions 2 and 5.


A pyrimidone that is uracil in which positions 1, 5, and 6 are substituted by ethoxymethyl, isopropyl, and phenylsulfanyl groups, respectively.


Am member of the class of imidazoles carrying piperidin-4-yl, 4-fluophenyl and 2-aminopyrimidin-4-yl substituents at posiitons 1, 4 and 5 respectively.


Lansamide 4

A 3-hydroxy-6-methoxy-1-methyl-4,5-diphenyl-2-piperidinone in which positions 3,4,5 and 6 have S,S,R,R stereochemistry, respectively.


A pyrrolidin-2-one substituted by two ethyl groups at position 3.


A member of the class of piperidines that is piperidine substituted by ethyl and 2-methylbutyl groups at positions 1 and 3, respectively.


A delta-lactam that is piperidine which is substituted by an oxo group at position 2.


aminopyrimidine

A member of the class of  pyrimidines that is pyrimidine substituted by at least one amino group and its derivatives.


pyrrole

A five-membered monocyclic heteroarene comprising one NH and four CH units which forms the parent compound of the pyrrole group of compounds. Its five-membered ring structure has three tautomers. A 'closed class'.


A thienopyrimidine that is 5,6-dimethylthieno[2,3-d]pyrimidin-4-amine in which the amino group at position 4 has been substituted by an N-(1-benzylpyrrolidin-3-yl) group.


A piperidinylimidazole that is 1H-imidazole carrying a piperidin-4-yl group, 4-fluorophenyl group and a 2-(3,5-dimethylphenoxy)pyrimidin-4-yl group at positions 1, 4 and 5 respectively. It is a potent inhibitor of  p38alpha mitogen-activated protein kinase and BRD4.


MIDAFOTEL

A member of the class of piperazines that is piperazine substituted by a carboxy group at position 2R and a (1E)-1-phosphonoprop-1-en-3-yl group at position 4. It is an antagonist of N-methyl-D-aspartate receptors (NMDARs) and was in clinical development by Novartis for the treatment of cognition disorders and brain injuries (now discontinued).


A member of the class of oxindoles that is 1-ethyl-3,3-dimethyl-1,3-dihydro-2H-indol-2-one in which the ethyl group has been substituted at position 2 by a 4-(p-fluorobenzoyl)piperidin-1-yl group.  It is a potent and selective antagonist for the 5-hydroxytryptamine 1D (5-HT1D) receptor.


A 2-methylpyrrolidine that has (R)-configuration.


pyrazinone

Any pyrazine carrying one or more oxo substituents.


LEHUALIDE H

A member of the class of 2-pyranones that is 2H-pyran-2-one substituted by methoxy groups at positions 3 and 4, a methyl group at position 5 and a 10-(acetylsulfanyl)decyl group at position 6. Isolated from the marine sponge of the genus Plakortis, it exhibits cytotoxicity against human promyeloid leukemic HL-60 cells.


barbiturate

Conjugate base of barbituric acid.


The 5-hydroxy-6-methyl derivative of nicotinic acid.


propionyl adenylate

A member of the class of  adenosines that is adenosine with the hydrogen on the 5'-hydroxy group replaced with a propanoyl group.


Pyrimidine substituted with a methoxy group at position C-2 and an amine group at C-4.


A C-nitro compound that is a bismorpholine consisting of two morpholinomethyl groups bonded to C-1 of 1-nitropropane.


FLUAZIFOP-P-BUTYL

A butyl 2-(4-{[5-(trifluoromethyl)pyridin-2-yl]oxy}phenoxy)propanoate that has R configutation. The active enantiomer of the herbicide fluazifop-butyl, it is used as a post-emergence herbicide for the control grass weeds in various broad-leaved crops.


4-coumaroyltriacetic acid lactone

A polyketide that is 4-hydroxypyran-2-one carrying an additional 4-(4-hydroxyphenyl)-2-oxobut-3-en-1-yl group at position 6; produced due to derailment from the canonical 2',4,4',6'-tetrahydroxychalcone-producing reaction pathway.


N-bromosuccinimide

A five-membered cyclic dicarboximide compound having a bromo substituent on the nitrogen atom.


amaranthin

A disaccharide derivative that is betanidin in which a beta-D-glucuronosyl-(1->2)-beta-D-glucosyl moiety is attached at position 5.


name: 5-cyano-2-phenyl-6-[4-(2-pyridinyl)-1-piperazinyl]-3-pyridinecarboxylic acid ethyl ester


name: 4-[[5-[(2,6-dichlorophenyl)sulfonylmethyl]-2-furanyl]-oxomethyl]-1-piperazinecarboxylic acid ethyl ester


A lactone which is 9-methyl-1,5-dioxonane-2,6-dione substituted by a benzyl group at position 8, a [(3-hydroxy-pyridine-2-yl)carbonyl]amino group at position 3 and an isobutyryloxy group at position 7. It is isolated from the mycelia cake of Streptomyces sp. 517-02 and exhibits potent antifungal activity.


An aromatic amide obtained by formal condensation of the carboxy group of 2,4-dimethyl-1,3-oxazole-5-carboxylic acid with the aromatic amino group of 4-fluoro-3-[6-(pyridin-2-yl)[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]aniline. A proteasome inhibitor known to be active against the three parasites that cause Chagas disease, leishmaniasis and sleeping sickness.


pyrimidone

A pyrimidine carrying one or more oxo substituents.


A member of the class of aminopyrimidines that is 5-chloro-6-methylpyrimidin-4-amine in which one of the amino hydrogens is replaced by a 1-[4-(difluoromethoxy)phenyl]propyl group.


A member of the class of morpholines that is morpholine in which the amino group is substituted by a 2-hydroxyethoxy group.


name: 4-[(1-ethylsulfonyl-4-piperidinyl)-oxomethyl]-1-piperazinecarboxylic acid ethyl ester


D-proline

The D-enantiomer of proline.


name: 2-[(2S,3S,6R)-2-(hydroxymethyl)-3-(1-oxopropylamino)-3,6-dihydro-2H-pyran-6-yl]acetic acid methyl ester


4-hydroxy-TEMPO benzoate

A member of the class of piperidines that is TEMPO carrying a benzoyloxy group at position 4.


A 6-(3-hexenyl)tetrahydro-2H-pyran-2-one in which the double bond adopts a cis-configuration.


cycrimine

A member of the class of piperidines that is 3-(piperidin-1-yl)propan-1-ol in which one of the hydrogen atoms at the 1-position is substituted by cyclopentyl, and the other is substituted by phenyl. A central anticholinergic, it is used as its hydrochloride salt in the management and treatment of Parkinson's disease.


A monochloropyridine that is 2,5-dioxo-2,5-dihydropyridine which is substituted at positions 3 and 6 by a hydroxy group and a chlorine, respectively.


A dihydroxypyridine that is pseudooxynicotine in which the hydrogens at positions 2 and 6 on the pyridine ring are substituted by hydroxy groups.


A guanosine derivative having a 1-carboxyethyl group attached at the N(2)-position.


A member of the class of furans that is furan substituted by an octyl group at position 2.


Guanosine substituted at the purine 8-position by a nitro group.


A monohydroxypyridine that is pyridine in which the hydrogen at position 4 has been replaced by a hydroxy group.


The L-stereoisomer of N-(2,4-dinitrophenyl)proline, a proline derivative having a 2,4-dinitrophenyl substituent on nitrogen.


isoxazolidinone

An oxazolidinone in which the N and O atoms are adjacent.


name: 8-methyl-6-(3-methyl-2-thiophenyl)-4-oxo-3,6-dihydro-2H-pyrimido[2,1-b][1,3]thiazine-7-carboxylic acid ethyl ester


inosines

Any purine ribonucleoside that is a derivative of inosine.


(S)-fenpropimorph

A 4-[3-(4-tert-butylphenyl)-2-methylpropyl]-2,6-dimethylmorpholine in which the methyl substituents on the morpholine ring are in a cis relationship to each other and in which the remaining stereocentre has S configuration.


cystathionine ketimine

A 1-thia-4-azacyclohepta-3-ene-3,5-dicarboxylic acid that has R-configuration. It is cyclic sulfur-containing imino acid detected in bovine brain extracts.


An  aminopyrimidine carrying an amino group at position 2.


isoxazoline

An organic heteromonocyclic compound that is a dihydro derivative of any isoxazole.


purmorphamine

A member of the class of purines that is purine substituted at C-2 by a 1-naphthyloxy group, at C-4 by a 4-morpholinophenylamino group, and at N-9 by a cyclohexyl group.


N-succinimidyl N-methylcarbamate

A member of the class of pyrrolidinones that is N-hydroxysuccinimide in which the hydroxyl hydrogen is replaced by a methylcarbamoyl group.


A secondary carboxamide resulting from the formal condensation of the carboxy group of 1-[1-(naphthalen-1-yl)ethyl]piperidine-4-carboxylic acid with the amino group of 1-(2-methoxypyridin-4-yl)methanamine. It is a SARS-CoV-2 papain-like protease (PLpro) inhibitor.


name: 6-(4-chlorophenyl)-3-cyano-2-oxo-1H-pyridine-4-carboxylic acid ethyl ester


1-vinylaziridine and its substitution derivatives.


A monobromopyridine in which the bromo substituent is located at position 3.


thiomorpholine-3-carboxylic acid

A thiomorpholinemonocarboxylic acid having the carboxy group at the 3-position.


A  lignan that is (+)-lariciresinol substituted by a methoxy group at position 5'. It has been isolated from the stems of  Sinocalamus affinis.


name: 2-(4-morpholinyl)-5-(1-piperidinylsulfonyl)benzoic acid [2-[2-(4-fluorophenyl)ethylamino]-2-oxoethyl] ester


5-(dihydroxymethyl)-2-furoic acid

A member of the class of furoic acids that is 2-furoic acid substituted at position 5 by a dihydroxymethyl group.


DEHYDROACETIC ACID

A pyran-2,4-dione substituted at position 3 by an acetyl group and at position 6 by a methyl group. A fungicide and bactericide it is used primarily in processed fruit and vegetables.


A hydroxycalciol that is calcitriol which has undergone formal oxidative coupling at positions 20 and 23 to the hydroxy group and methyl group, respectively, of methanol to afford the corresponding oxolane ring (the 20S,23S stereoisomer). It is a superagonist of the vitamin D nuclear receptor in vitro, but is as calcemic in vivo as the natural ligand.


eprazinone

A member of the class of piperazines in which the two amino hydrogens of piperazine are replaced by 2-benzoylpropyl and 2-ethoxy-2-phenylethyl groups.


A phosphorodiamidate ester of N,N-dimethyladenosine in which the NR2 groups on phosphorus are morpholino and N(2)-acetyl-N(5)-L-lysino.


cyclosporin A metabolite M18

A cyclosporin A derivative that is cyclosporin A metabolite M17 in which the hydroxy group at position 3 of residue 1 [(2S,3R,4R,6E)-3,8-dihydroxy-4-methyl-2-(methylamino)oct-6-enamide] has undergone addition to the double bond at position 6 to afford the corresponding dioxolane ring.


A diphenylfuran in the the phenyl groups are located at positions 2 and 5 on the furan ring.


A furan having a nitro group at position 5 and a carboxamido group in turn bearing a long-chain multifunctional N-alkyl group at position 2.


(S)-paliperidone palmitate

A 3-{2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl}-2-methyl-4-oxo-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-9-yl hexadecanoate that is the (S)-enantiomer of paliperidone palmitate.


imidazoline

An imidazoline compound having the double bond at the 2-position.


purine 2'-deoxyribonucleoside

A 2'-deoxyribonucleoside that has a purine moiety as the nucleobase (the R group in the illustration).


HAMACANTHIN B

An optically active form of hamacanthin A having S-configuration. It is an antifungal drug isolated from deep water marine sponge Hamacantha sp.


(S)-haloxyfop-etotyl

A 2-ethoxyethyl 2-(4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenoxy)propanoate that has S configuration.


A 3-[5-(4-chlorophenyl)-2,3-dimethyl-1,2-oxazolidin-3-yl]pyridine that is the (3R,5S)-diastereomer of pyrisoxazole.


bepotastine

An ether that is (S)-(4-chlorophenyl)(pyridin-2-yl)methanol in which the hydroxyl hydrogen is substituted by a 1-(3-carboxypropyl)piperidin-4-yl group. A topical, selective and non-sedating histamine (H1) receptor antagonist used (as its benzenesulfonate salt) for treatment of itching associated with allergic conjunctivitis.


thienylfentanyl

An anilide resulting from the formal condensation of the aryl amino group of N-phenyl-1-[2-(2-thienyl)ethyl]piperidin-4-amine with propanoic acid.


DIAVERIDINE

An aminopyrimidine in which the pyrimidine ring carries amino substituents at C-2 and C-4 and a 3,4-dimethoxybenzyl group at C-5. A folic acid antagonist, it is used as a synergist with sulfonamides against the parasitic Eimeria species.


Any pyridone that is pyridin-4-one or its derivatives by substitution of one of more of the hydrogens.


marbofloxacin

A fluoroquinolone antibiotic that is 7-oxo-2,3-dihydro-7H-[1,3,4]oxadiazino[6,5,4-ij]quinoline substituted at positions 6, 9 and 10 by carboxy, fluoro and 4-methylpiperazin-1-yl groups, respectively. A synthetic, broad spectrum bactericidal agent, it is used in veterinary medicine, although its mechanism of action is not thoroughly understood.


betrixaban

A secondary carboxamide obtained by formal condensation of the carboxy group of 4-(N,N-dimethylcarbamimidoyl)benzoic acid with the amino group of 2-amino-N-(5-chloropyridin-2-yl)-5-methoxybenzamide. A synthetic anticoagulant compound that targets activated factor Xa in the coagulation cascade.


3-furoic acid

A furoic acid carrying the carboxy group at position 3.


A tripeptide that consists of a glycine residue flanked by two piperidine-4-carboxylic acid units (connected via amide linkages) where the amino terminus is acylated by a 3-[2-(2-{[4-(indol-3-yl)butanoyl]amino}ethoxy)ethoxy]propanoyl group and the carboxy terminus is formally condensed with the amino group of 3-[2-(2-aminoethoxy)ethoxy]propanoic acid, the carboxy group of which is in turn formally condensed with the alpha-amino group of N(6)-5-nitrofuroyllysine.


efinaconazole

A member of the class of triazoles that is butan-2-ol which is substituted at positions 1, 2, and 3 by 1,2,4-triazol-1-yl, 2,4-difluorophenyl, and 4-methylenepiperidin-1-yl groups, respectively (the 2R,3R stereoisomer). It is an antifungal drug used for the topical treatment of onychomycosis (a nail infection caused mainly by dermatophytes).


Guanosine with the hydrogen on the amine at position N-2 substituted with a methyl group.


deacetylpyripyropene E

An organic heterotetracyclic compound that is (3S,4aR,6aR,12aR,12bS)-3-hydroxy-4,4,6a,12b-tetramethyl-1,3,4,4a,5,6,6a,12,12a,12b-decahydro-2H,11H-benzo[f]pyrano[4,3-b]chromen-11-one substituted by a pyridin-3-yl group at position 9 (the 3S,4aR,6aR,12aR,12bS stereoisomer).


(S)-pyrimisulfan

A N-{2-[(4,6-dimethoxypyrimidin-2-yl)(hydroxy)methyl]-6-(methoxymethyl)phenyl}-1,1-difluoromethanesulfonamide that has S configuration.


An aminouracil that is D-ribitol in which the hydroxy group at position 1 is substituted by the 6-amino group of 6-amino-5-(2-oxoethylideneamino)uracil. Unstable mucosal-associated invariant T (MAIT)-activating antigen, formed by non-enzymatic reaction between 5-amino-6-D-ribitylaminouracil and glyoxal.


name: 2-ethoxy-3-pyridinecarboxylic acid [2-[1-(2-furanylmethyl)-2,5-dimethyl-3-pyrrolyl]-2-oxoethyl] ester


aspernigrin B

A pyridine alkaloid with formula C27H24N2O5 that is isolated from Aspergillus niger and displays neuroprotective protperties.


D-pipecolic acid

The D-enantiomer of pipecolic acid.


Conjugate acid of 6-hydroxynornicotine; major microspecies at pH 7.3


SUCCINCHLORIMIDE

A five-membered cyclic dicarboximide compound having a chloro substituent on the nitrogen atom.


A member of the class of pyrrolines that is 1-pyrroline substituted at position 2 by a methyl group.


Compounds with a 1,2,3-triazolidine skeleton.


BROMACIL

A racemate consisting of equimolar concentrations of (R)- and (S)-bromacil.


(R)-cybenzoxasulfyl

The (R)-enantiomer of cybenzoxasulfyl.


4-methyl-2-pyrroline-5-carboxylic acid

A pyrroline consisting of 2-pyrroline having methyl and carboxy substituents at positions 4 and 5 respectively.


L-adenosylselenomethionine

A selenomethionine consisting of L-selenomethionine having an adenosyl group attached to the selenium.


5-formyl-2-furoic acid

A member of the class of furoic acids that is 2-furoic acid substituted at position 5 by a formyl group.


An N-acylglycine in which the acyl group is specified as 3-pyridylacetyl.


An oxazoline derivative having an oxo group at the 2-position and an N-{[(5-nitro-2-furyl)methylene]amino} substituent.


Inosine carrying a methyl substituent on the hydroxy group at position 2' on the ribose ring.


melophlin P

A member of the class of pyrrolidin-2-ones that is 1,5-dimethylpyrrolidine-2,4-dione substituted by a 1-hydroxyhexadecylidene moiety at position 3. Isolated from the marine sponge Melophlus sarasinorum and other species of genus Melophlus, it exhibits cytotoxicity against murine leukemia cell line.


name: 5-(1,3-benzodioxol-5-ylmethylamino)-2-(4-morpholinyl)benzoic acid methyl ester


polyoxorim

A member of the class of polyoxins that is isolated from the soil organism Streptomyces cacaoi var. asoensis. Polyoxorim exhibits fungicidal properties and may be used on rice, industrial grounds, golf courses and parks.


A diphenylfuran in the the phenyl groups are located at positions 2 and 4 on the furan ring.


A member of the class of methylpyridines that is (6-methylpyridin-2-yl)methanol in which the hydroxy group is substituted by a [1-(4-chloro-3-{[(methoxycarbonyl)amino]methyl}phenyl)ethylidene]amino group.


nitrofuran antibiotic

A member of the class of furans in which the furan ring is substituted by a nitro group and which also has significant antibiotic properties.


ranitidine N-oxide

A N-oxide derivative of ranitidine.


name: 4-(1-piperidinyl)-3-[[3-(trifluoromethyl)phenyl]sulfonylamino]benzoic acid ethyl ester


(R)-idazoxan

An idazoxan that has R configuration.


sch 210972

A member of the class of pyrrolidin-2-ones isolated from the fungal fermentation broth of  Chaetomium globosum and shown to exhibit inhibitory activity against chemokine receptor CCR-5.


A memger of the class of benzimidazoles that is benzimidazole that is substituted by methyl groups at positions 1 and 4, by a 2,4-difluoroanilino group at position 2, and by a (2-acetamidopyridin-4-yl)oxy group at position 5. It is a type II JAK2 inhibitor with antineoplastic activity.


A nucleoside analogue that is 2'-deoxyuridine in which the hydrogen at position 5 on the uracil ring is replaced by a carboxy group.


N-hydroxypipecolic acid

An N-hydroxy-alpha-amino-acid resulting from the formal N-hydroxylation of the amino group of piperidine-carboxylic acid (pipecolic acid).


futokadsurin A

A lignan that is tetrahydrofuran substituted by methyl groups at positions 3 and 4 (relatively trans configuration), a 3,4-dimethoxyphenyl moiety at position 5 (relatively trans to the methyl group at position 4) and a 4-hydroxy-3-methoxyphenyl group at position 2 (relatively cis to the methyl group at position 3). Isolated from  the aerial parts of Piper futokadsura, it exhibits inhibitory activity against production of nitric oxide (NO).


name: 4-morpholinecarboxylic acid [3-(6-amino-5-cyano-3-propan-2-yl-2,4-dihydropyrano[2,3-c]pyrazol-4-yl)phenyl] ester


A member of the class of pyrazines that is {4-[(propan-2-yl)(pyrazin-2-yl)amino]butoxy}acetic acid carrying two additional phenyl substituents at positions 5 and 6 on the pyrazine ring. The active metabolite of selexipag, an orphan drug used for the treatment of pulmonary arterial hypertension.


pyrimidine antifungal agent

A member of the class of pyrimidines that has significant antifungal properties.


MIGRASTATIN

A 14-membered macrolide which is isolated from Streptomyces sp.MK929-43F1 and inhibits cell migration of human esophageal cancer EC17 cells and mouse melanona B16 cells.


name: 1-(2-cyanoethyl)-6-(2-fluoro-4-methoxyphenyl)-3-methyl-4-pyrazolo[3,4-b]pyridinecarboxylic acid ethyl ester


A member of the class of oxazolidinones that is 3-amino-1,3-oxazolidin-2-one substituted by a morpholin-4-ylmethyl group at position 5. It is the metabolite of furaltadone,  a broad-spectrum antibacterial drug which was widely used as an additive in livestock and aquaculture feed.


name: 4-pyridinecarboxylic acid [2-[1-(2-furanylmethyl)-2,5-dimethyl-3-pyrrolyl]-2-oxoethyl] ester


N-methylmorpholine N-oxide

A morpholine N-oxide resulting from the oxidation of the amino group of N-methylmorpholine.


The hydroxypyrimidine that is pyrimidine mono-substituted at C-2 by a hydroxy group.


compound 1 [PMID: 17935984]

A member of the class of barbiturates that is barbituric acid in which the hydrogens at position 5 are replaced by 2-ethoxyethyl and 4-(4-fluorophenoxy)phenoxy groups. It is a potent and selective inhibitor of matrix MMP-13 (metalloproteinase-13, collagenase 3).


dainic acid A

An L-proline derivative that is L-proline substituted by a carboxymethyl group at position 3 and a (2E)-6-methylhepta-2,5-dien-2-yl group at position 4. It is produced by the red algal Chondria armata.


elbasvir

A complex organic heterotetracyclic compound that is a hepatitis C virus nonstructural protein 5A inhibitor used in combination with grazoprevir (under the brand name Zepatier) for treatment of chronic HCV genotypes 1 or 4 infection in adults.


(S)-nipecotamide

The (3S)-enantiomer of nipecotamide.


florpyrauxifen

A pyridinemonocarboxylic acid that is picolinic acid which is substituted at positions 3, 4, 5, and 6 by chlorine, amino, fluorine, and 4-chloro-2-fluoro-3-methoxyphenyl groups, respectively. An auxin herbicide developed by Dow AgroSciences and sold as the corresponding benzyl ester, florpyrauxifen-benzyl.


A member of the class of morpholines that is 2,6-dimethylmorpholine in which the hydrogen attached to the nitrogen is replaced by a tetradecyl group. The configuration at positions 2 and 6 is unknown or unspecified.


lipoic acid

The (R)-enantiomer of lipoic acid. A vitamin-like, C8 thia fatty acid with anti-oxidant properties.


name: 4-(cyclohexylamino)-2-(3,5-dimethyl-1-pyrazolyl)-5-pyrimidinecarboxylic acid ethyl ester


LEHUALIDE I

A member of the class of 2-pyranones that is 2H-pyran-2-one substituted by methoxy groups at positions 3 and 4, a methyl group at position 5 and a 10-(methylsulfanyl)decyl group at position 6. Isolated from the marine sponge of the genus Plakortis, it exhibits cytotoxicity against human promyeloid leukemic HL-60 cells.


necrosulfonamide

A sulfonamide that is a 3-methoxypyrazin-2-yl derivative of (E)-N-(4-(N-(4,6-dimethylpyrimidin-2-yl)sulfamoyl)phenyl)-3-(5-nitrothiophene-2-yl)acrylamide. Necrosulfonamide specifically blocks necrosis downstream of the activation of RIP3 (the receptor-interacting serine-threonine kinase 3), a key signalling molecule in the programmed necrosis (necroptosis) pathway.


The (S)-enantiomer of azetidine-2-carboxylic acid.


name: 2-[(3R,6aS,8S,10aS)-3-hydroxy-1,2,3,4,6,6a,8,9,10,10a-decahydropyrano[2,3-c][1,5]oxazocin-8-yl]acetic acid methyl ester


A pyrimidine 2'-deoxyribonucleoside that is 5-hydroxymethyl-2'-deoxyuridine in which the hydroxymethyl group at position 5 has been formally converted to the corresponding 2-aminoethyl ether. It is a thymidine hypermodification replacing 40% of thymidine nucleotides in the Salmonellaphage ViI.


(S)-bromacil

The (S)-enantiomer of 5-bromo-3-(butan-2-yl)-6-methylpyrimidine-2,4(1H,3H)-dione.


A member of the class of aminopyrimidines that is 2,6-diamino-5-chloropyrimidine in which the amino groups at positions 2 and 6 are respectively carrying 2-methoxy-4-(morpholin-4-yl)phenyl and 2-(methanesulfonylamino)phenyl substituents. It is an inhibitor of the Parkinson's disease kinase LRRK2.


hydroxypyridone antifungal drug

Any pyridone which is substituted on the nitrogen by a hydroxy group and which has been used as an antifungal drug.


A L-glutamine derivative obtained by formal condensation of the side-chain carboxy group of L-glutamine with one of the amino groups of 2-(4-{[5-(aminomethyl)furan-3-yl]methoxy}phenyl)ethan-1-amine.


A  sulfonamide that is benzenesulfonamide substituted by an acetylamino group at position 4 and a pyrimidin-2-yl group at the nitrogen atom. It is a metabolite of the drug sulfadiazine.


A cyclic dicarboxylic anhydride that is furan-2,5-dione substituted by at position 3 by a  carboxymethyl group and a hexyl group at position 4.


(S)-2,3,4,5-tetrahydrodipicolinic acid

The (2S)-stereoisomer of 2,3,4,5-tetrahydrodipicolinic acid.


ethionamide S-oxide

A member of the class of pyridines that is the S-oxide and active metabolite of the antitubercular drug ethionamide.


prosopinine

A  piperidine alkaloid that is a hydroxypiperidine with a hydroxy group at position C-3, a hydroxymethyl group at C-2, and an 8-hydroxydecyl group at C-6.


A member of the class of biphenyls that is the amide obtained by formal condensation of the carboxy group of 2'-methyl-5'-(5-methyl-1,3,4-oxadiazol-2-yl)[1,1'-biphenyl]-4-carboxylic acid with the amino group of 3-cyanoaniline.


tunicamycin A2

A nucleoside that is one of the homologues in the mixture that is tunicamycin, characterised by a tetradec-2-enoyl fatty acyl substituent on the amino group of the tunicamine moiety.


prosolanapyrone I

A prosolanapyrone bearing a methyl substituent at position 3 of the pyrone ring.


name: 2-pyridinecarboxylic acid [2-(5-chloro-2-thiophenyl)-2-oxoethyl] ester


nelociguat

A member of the class of pyrazolopyridines that is 1H-pyrazolo[3,4-b]pyridine which is substituted by a 2-fluorobenzyl and 4,6-diamino-5-[(methoxycarbonyl)amino]pyrimidin-2-yl groups at positions 1 and 3, respectively. It is an active metabolite of riociguat and a soluble guanylate cyclase stimulator developed by Bayer for the treatment of erectile dysfunction and heart failure.


A 2-pyranone in which the hydrogens at positions 4 and 6 of 2H-pyran-2-one are replaced by hydroxy and 2-oxoheptadecyl groups respectively.


Major microspecies at pH 7.3.


IMAZAMOX

A racemate composed of equimolar amounts of (S)- and (R)-imazamox. An inhibitor of acetohydroxyacid synthase, it is used (particularly as the corresponding ammonium salt, known as imazamox-ammonium) as a herbicide for the control of grass, broad-leaf weeds, and pond weed.


A 2-pyranone in which the hydrogens at positions 4 and 6 of 2H-pyran-2-one are replaced by hydroxy and nonadecyl groups respectively.


name: 6-(4-chlorophenyl)-2-methyl-3-pyridinecarboxylic acid methyl ester


A ring assembly that consists of 2,2'-bifuran substituted by butoxy groups at positions 5 and 5' respectively. It is isolated from the aerial parts of Chrysanthemum coronarium and acts as an inhibitor of human AcylCoA:cholesterol acyltransferase hACAT-1 and hACAT-2.


pyridoxamine hydrochloride

A hydrochloride obtained by combining pyridoxamine with one molar equivalent of hydrochloric acid. Used for treatment of diabetic nephropathy.


A methyl phenyl(piperidin-2-yl)acetate in which both stereocentres have S configuration. It is the inactive enantiomer in the racemic drug methylphenidate.


A triazolothiadiazole that is 1,7a-dihydro[1,2,4]triazolo[3,4-b][1,3,4]thiadiazole substituted by a 4-methyl-1,2,3-thiadiazol-5-yl group at position 3 and by a trichloromethyl group at position 6. It is a fungicide with a wide spectrum of activity and inhibits the enzymatic activity of pyruvate kinase.


A member of the class of 2-pyranones that is 2H-pyran-2-one in which the hydrogens at positions 4 and 6 are substituted by hydroxy and (2,4-dihydroxy-6-methylphenyl)-2-oxoethyl groups respectively.


A dihydroxypyridine that is pyridine substituted by hydroxy groups at positions 2 and 5.


(R)-nipecotic acid

The (R)-enantiopmer of nipecotic acid.


A member of the class of thiadiazoles that is 1,2,3-thiadiazole substituted at positions 4 and 5 by 2,4-dihydroxy-4-chlorophenyl and 4-methoxyphenyl groups respectively.


name: N-[(5-nitro-2-furanyl)methylideneamino]carbamic acid methyl ester


buzepide

A member of the class of azepanes that is 2-phenylacetamide in which the methylene hydrogens at position 2 are replaced by a phenyl group and an aminocarbonyl group. It inhibits gastric juice secretion.


A pyrimidine derivative having amino substituents in the 2- and 6-positions, a hydroxy substituent at the 4-position and an N-methylformamido group at the 5-position.


A pyrrolidin-2-one substituted by 6-carboxyhexyl and 3-hydroxyoctyl groups at positions 1 and 2, respectively. It is a potent prostaglandin EP4 receptor agonist (Ki=35 nM).


(SC,RS)-sulfoxaflor

A [methyl(oxido){1-[6-(trifluoromethyl)pyridin-3-yl]ethyl}-lambda(6)-sulfanylidene]cyanamide that has R configuration at the sulfur atom and S configuration at the carbon attached to position 3 of the pyridine ring.


timolol

1,2,5-Thiadiazole substituted at the 3 position by a 3-(tert-butylamino)-2-hydroxypropoxy group and at the 4 position by a morpholin-4-yl group. The (S)-(-) enantiomer, also known as timolol, is a beta-adrenergic antagonist and is used in the mangement of glaucoma, hypertension, angina pectoris and myocardial infarction, and for the prevention of migraine.


(R)-chlormezanone

The (R)-enantiomer of chlormezanone.


19-(2-furyl)nonadeca-5,7-diynoic acid

An acetylenic fatty acid that is nonadeca-5,7-diynoic acid substituted by a furan-2-yl group at position 19. Isolated from Polyalthia evecta, it exhibits anti-HSV-1 and antiplasmodial activity.


tenuazonic acid

A member of the class of pyrrolidin-2-ones that is 5-(butan-2-yl)pyrrolidine-2,4-dione carrying an additional acetyl group at position 3. A mycotoxin produced by various plant pathogenic fungi.


Novel antimicroial-Chemical Compound


An aromatic amide resulting from the formal condensation of the carboxy group of 8-methoxy-2-(trifluoromethyl)quinoline-5-carboxylic acid with the primary amino group of 3,5-dichloropyridin-4-amine 1-oxide. It is a potent inhibitor of phosphodiesterase IV (PDE4).


A member of the class of  adenosines that is 5'-dehydro derivative of adenosine.


a pyrimidine ribonucleoside

Any pyrimidine ribonucleoside


A member of the class of piperidines that is piperidine substituted by a propyl group at position 2.


A dihydroxypyrrolidine that consists of 5-hydroxymethylpyrrolidine-3,4-diol bearing a 4-aminophenyl substituent at position 2 (the 2S,3S,4R,5R-diastereomer).


A member of the class of  thiadiazoles that is  1,3,4-thiadiazole substituted by an amino group at position 2 and an ethyl group at position 5 respectively.


(E)-buprofezin

A 2-(tert-butylimino)-5-phenyl-3-(propan-2-yl)-1,3,5-thiadiazinan-4-one in which the C=N double bond has E configuration.


An N-glycosyl compound that is a metabolite produced by the bacterium Mycoplasma genitalium.


oxidized Renilla luciferin

An aromatic amide obtained by formal condensation of the carboxy group of phenylacetic acid with the exocyclic amino group of 4-(5-amino-6-benzylpyrazin-2-yl)phenol.


name: 4-chlorobenzoic acid [3-cyano-6-(3-methoxyphenyl)-2-pyridinyl] ester


A member of the class of furans that is furan substituted by methyl and methylsulfanyl groups at positions 2 and 5, respectively. It is a metabolite found in coffee and human urine.


aspyrone

A member of the class of 2-pyranones that is 5,6-dihydro-2H-pyran-2-one in which the hydrogens at positions 3, 5S and 6R are replaced by (2S,3S)-3-methyloxiran-2-yl, hydroxy and methyl groups, respectively. It is a fungal metabolite isolated from Aspergillus melleus and exhibits nematicidal, antibacterial and antifungal properties.


tunicamycin C2

A nucleoside that is one of the homologues in the mixture that is tunicamycin, characterised by a hexadec-2-enoyl fatty acyl substituent on the amino group of the tunicamine moiety.


paliperidone

A member of the class of pyridopyrimidines that is 9-hydroxy-2-methyl-6,7,8,9-tetrahydropyrido[1,2-a]pyrimidin-4-one carrying an additional 2-[4-(6-fluoro-1,2-benzoxazol-3-yl)piperidin-1-yl]ethyl group at position 2.


An N-(adenosin-N(6)-ylcarbonyl)threonine in which the adenosine ring is carrying a 2-methylthio substituent.


A blasticidin that is an antibiotic obtained from Streptomyces griseochromogene.


A guanosine where the hydrogens of the amine group at C-2 are substituted by methyl groups.


A member of the class of indoles that is (betaS)-beta-methyl-D-tryptophan in which the primary amino group undergoes formal condensation with the carboxy group of 4-(2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)piperidine-1-carboxylic acid and the carboxy group undegoes formal condensation with the amino group of (1R,3S)-cyclohexane-1,3-diyldimethanamine. It is a selective nonpeptidic agonist of the somatostatin subtype-2 (SST2) receptor with Ki of 0.05 nM.


A member of the class of imidazopyridines that is 4-(1-ethylimidazo[4,5-c]pyridin-4-yl)-2-methylbut-3-yn-2-ol carrying additional 2-(4-amino-1,2,5-oxadiazol-3-yl and [(3S)-piperidin-3-yl]methoxy substituents at positions 4 and 7 respectively.


name: 2,6-dimethyl-4-(2-phenylethenyl)-3,4-dihydropyridine-3,5-dicarboxylic acid diethyl ester


crenolanib

A member of the class of benzimidazoles that is 1H-benzimidazole which is substituted by a 8-(4-aminopiperidin-1-yl)quinolin-2-yl group at position 1 and by a (3-methyloxetan-3-yl)methoxy group at position 5. It is an inhibitor of type III tyrosine kinases, PDGFRalpha/beta and FLT3 (IC50 of 11, 3.2, and 4 nM). Currently under clinical development for the treatment of acute myeloid leukemia.


NEBULARINE

A purine ribonucleoside that is 9H-purine attached to a beta-D-ribofuranosyl residue at position 9 via a glycosidic (N-glycosyl) linkage.


A member of the class of morpholines that is 2,6-dimethylmorpholine in which the hydrogen attached to the nitrogen is replaced by a 3-(p-tert-butylphenyl)-2-methylpropyl group.


A member of the class of pyrimidines that is pyrimidine substituted by a hydroxymethyl group at position 2.


A secondary carboxamide resulting from the formal condensation of the carboxy group of 3-cyano-5-(pentafluoro-lambda(6)-sulfanyl)benzoic acid with the amino group of 2,4-dimethyl-5-[6-(pyridin-3-yl)-1H-imidazo[1,2-b]pyrazol-1-yl]aniline. It is a potent TIE-2 inhibitor (Kd = 1.6 nM) which displays in vivo efficacy in some murine glioma models.


A [3-(4-tert-butylphenyl)-2-methylpropyl]-2,6-dimethylmorpholine in which the methyl subsituents on the morpholine ring are in a trans relationship to each other.


A carboxamide resulting from the formal condensation of the carboxy group of 5-(p-methoxyphenyl)-1,3,4-oxadiazole-2-carboxylic acid with the amino group of 3-phenoxyazetidine and in which the phenoxy group has been substituted at the para- position by a 2-oxa-6-azaspiro[3.3]heptan-6-ylmethyl group. It is a melanin concentrating hormone receptor 1 (MCHr1) antagonist.


A furan carrying two hydroxymethyl substituents at the 2- and 5-positions.


An oxazinane alkaloid that is methyl (4S)-1,3-oxazinane-4-carboxylate substituted by a (1H-pyrrol-2-yl group at position 2 and a 2-methylheptyl group at position 5. Isolated from Celastrus angulatus, it exhibits cytotoxic activity.


A member of the class of aminopyridines that is pyridine substituted by 1-carboxyethoxy, chloro, amino, chloro, and fluoro groups at positions 2, 3, 4, 5, and 6, respectively.


A furan having a nitro group at position 5 and a carboxamido group in turn bearing a long-chain multifunctional N-alkyl group at position 2.


DIPICOLINIC ACID

A pyridinedicarboxylic acid carrying two carboxy groups at positions 2 and 6.


L-pipecolic acid

The L-enantiomer of pipecolic acid. It is a metabolite of lysine.


lehualide J

A member of the class of 2-pyranones that is 2H-pyran-2-one substituted by methoxy groups at positions 3 and 4, a methyl group at position 5 and a 10-(methylsulfinyl)decyl group at position 6. It has been isolated from the marine sponge of the genus Plakortis.


name: 1-[(4-fluorophenyl)methyl]-4-(3,4,5-trimethoxyphenyl)-4H-pyridine-3,5-dicarboxylic acid dimethyl ester


archaeosine

A 7-deazaguanine ribonucleoside having 7-formamidino-7-deazaguanine as the nucleobase. It is found in the majority of archaeal tRNAs specifically at position 15 of the dihydrouridine loop (D-loop), a position not modified in either eukaryotic or bacterial tRNA.


chloropyridine

Compounds containing a pyridine nucleus substituted with one or more chlorine atoms.


proglumetacin

A carboxylic ester obtained by formal condensation of the carboxy group of indometacin with the hydroxy group of 3-[4-(2-hydroxyethyl)piperazin-1-yl]propyl N(2)-benzoyl-N,N-dipropyl-alpha-glutaminate. Used (as its dimaleate salt) to control pain and inflammation associated with musculoskeletal and joint disorders. Following oral administration, it is metabolised to indometacin and proglumide, a drug with antisecretory effects that helps prevent injury to the stomach lining.


A sulfonamide in which the nitrogen is the piperidinyl nitrogen of a 2-(pyridin-3-yl)piperidin-1-yl group and the sulfonyl sulfur carries a 4-acetamidophenyl substituent.


pyroglutamine

A dicarboximide that is piperidine-2,6-dione substituted at position 3 by an amino group.


pramocaine

A member of the class of morpholines that is morpholine substituted at the nitrogen atom by a 3-(4-butoxyphenoxy)propyl group.


NIGERAPYRONE D

A member of the class of 2-pyranones that is 2H-pyran-2-one substituted by a methoxy group at position 4, a methyl group at position 3 and a 3-methyl-5-oxohexa-1,3-dien-1-yl group at position 6. It has been isolated from an endophytic fungus Aspergillus niger.


A member of the class of trioxolanes that is cyclopentane in which the carbon atoms at positions 1, 2 and 4 are replaced by oxygen atoms.


pyridinemonocarboxylic acid

A monocarboxylic acid in which the carboxy group is attached to a pyridine (or substituted pyridine) ring.


A Good's buffer substance, pKa = 6.8 at 20 degreeC.


A positively charged methylinosine in which a single methyl substituent is located at position 7 on the hypoxanthine ring.


ranitidine

A member of the class of  furans used to treat  peptic ulcer disease (PUD) and gastroesophageal reflux disease.


5-aminoimidazole ribonucleoside

A 1-ribosylimidazole that is 5-aminoimidazole in which the hydrogen at position 1 has been replaced by a beta-D-ribofuranosyl group.


A nitrone that is the N-oxido derivative of N-tert-butyl(3,5,6-trimethylpyrazin-2-yl)methanimine.


A dicarboximide that is  thalidomide substituted at position 5 by an ethenyl group, which in turn is substituted by a feruloyl group at position 2. The compound is a hybrid based on the structures of  thalidomide and curcumin and has been found to exhibit cytotoxicity against human multiple myeloma cells.


A pyranone that is 2H-pyran-2-one in which the hydrogens at positions 4 and 6 are substituted by hydroxy and 2-oxoheptyl groups respectively.


broclozone

An isoxazolidinone that is 1,2-oxazolidin-3-one substituted by a 2-bromo-4-chlorobenzyl group at position 2 and two methyl groups at position 4. It is DOXP-inhibiting herbicide developed by KingAgroot with both foliar and soil activity, and expected to be launched in China in 2025.


A member of the class of butanals that is succinic semialdehyde in which the hydroxy group of the carboxylic acid function is replaced by a pyridin-3-yl group.


tarocin A

A member of the class of oxazolidinones that is oxazolidin-2-one substituted at positions 3, 4 and 5 by (naphthalen-1-yl)acetyl, methyl and 3,5-bis(trifluoromethyl)phenyl groups respectively. An inhibitor of teichoic acid biosynthesis.


A lignan that is  (+)-lariciresinol substituted by additional methoxy groups at positions 5 and 5'. It has been  isolated from them stems of Sinocalamus affinis.


DEOXYFUCONOJIRIMYCIN

A hydroxypiperidine in which the three hydroxy substituents are located at positions 3, 4 and 5 together with an additional methyl substituent at position 2.


streptokordin

A pyridone that is pyridin-2(1H)-one substituted by an acetyl group at position 4 and a methyl group at position 6. It is isolated from the fermentation broth of Streptomyces sp. KORDI-3238 and exhibits moderate cytotoxicity against a number of human cancer cell lines.


A dihydropyridine that is 2,3-dihydropyridine substituted by methyl, acetyl, hydroxy and methyl groups at position 2, 3, 4, and 6, respectively.


(S)-ICLAPRIM

A 5-[(2-cyclopropyl-7,8-dimethoxy-2H-chromen-5-yl)methyl]pyrimidine-2,4-diamine in which the chiral centre has S configuration.


A member of the class of pyridones that is 2-pyridone carrying cyano, phenyl and 3-bromo-6-hydroxyphenyl substituents at positions 3, 4 and 6 respectively


(S)-oxpoconazole

A {2-[3-(4-chlorophenyl)propyl]-2,4,4-trimethyl-1,3-oxazolidin-3-yl}(imidazol-1-yl)methanone that is the (S)-enantiomer of oxpoconazole.


REVERSINE

A member of the class of purines that is 9H-purine in which the hydrogens at positions 2 and 6 are replaced by a [4-(morpholin-4-yl)phenyl]nitrilo group and a cyclohexylamino group, respectively.


1-deoxynojirimycin-1-sulfonic acid

A hydroxypiperidine that is duvoglustat carrying a sulfo group at position 6beta. It is an alpha-glucosidase inhibitor and an activator of the human glucose sensor SGLT3.


A carboxylic ester resulting from the formal condensation of the carboxy group of 2-[(4-amino-3,5-dichloro-6-fluoropyridin-2-yl)oxy]propanoic acid with the hydroxy group of tetrahydrofuran-2-ylmethanol.


arsoles

Any of several substituted analogues of the parent compound arsole.


A secondary carboxamide resulting from the formal condensation of the carboxy group of 4-[(4-ethylpiperazin-1-yl)methyl]-3-(trifluoromethyl)benzoic acid with the primary amino group of N(3)-[(4-methoxy-1H-pyrrolo[2,3-b]pyridin-5-yl)methyl]-4-methylbenzene-1,3-diamine. It is a potent inhibitor of discoidin domain receptor tyrosine kinase 1 and 2 (DDR1/2) with IC50 = 47 nM and 145 nM, respectively.


hydroxy torasemide

An aromatic primary alcohol resulting from the hydroxylation of the 3'-methyl group of the phenyl ring of torasemide. It is a metabolite of torasemide.


flunixin

A pyridinemonocarboxylic acid that is nicotinic acid substituted at position 2 by a 2-methyl-3-(trifluoromethyl)phenylamino group. A relatively potent non-narcotic, nonsteroidal analgesic with anti-inflammatory, anti-endotoxic and anti-pyretic properties; used in veterinary medicine (usually as the meglumine salt) for treatment of horses, cattle and pigs.


fujikurin D

A pyrandione that is dihydro-2H-pyran-2,4(3H)-dione in which the hydrogens at positions 3, 5 and 6 are substituted by 1-hydroxy-2-methylbutylidene, methyl, and methyl groups, respectively. It is a natural product isolated from the fungus Fusarium fujikuroi.


vladinol D

A lignan which consists of tetrahydrofuran skeleton substituted by a hydroxymethyl group at position 4, a 4-hydroxy-3-methoxyphenyl group at position 5 and a 4-hydroxy-3-methoxybenzoyl group at position 3. It has been isolated from the roots of Rubia yunnanensis.


aminocyclopyrachlor-methyl

A pyrimidinecarboxylate ester that is the methyl ester of aminocyclopyrachlor.


An N-(adenosin-N(6)-ylcarbonyl)threonine in which the threonine portion has L-configuration.


A pyranone that is 2H-pyran-2-one in which the hydrogens at positions 4 and 6 are substituted by hydroxy and pentyl groups respectively.


bromopyridine

Compounds containing a pyridine nucleus substituted with one or more bromine atoms.


Major microspecies at pH 7.3


name: 2-[3-oxo-1-[[[oxo(thiophen-2-yl)methyl]amino]-sulfanylidenemethyl]-2-piperazinyl]acetic acid propan-2-yl ester


bicyclopyrone

A member of the class of pyridines that is pyridine which is substituted at positions 2, 3, and 6 by (2-methoxyethoxy)methyl, (2-hydroxy-4-oxobicyclo[3.2.1]oct-2-en-3-yl)carbonyl, and trifluoromethyl groups, respectively. It is a broad-spectrum herbicide developed by Syngenta and used for the pre- and post-emergence control of weeds in corn.


isonocardicin A

A nocardicin in which the beta-lactam moiety is substituted at position 1 by a carboxy(4-hydroxyphenyl)methyl group and at position 3 by a [(2Z)-2-(hydroxyimino)-2-(4-hydroxyphenyl)acetyl]nitrilo group in which the phenolic hydroxy group is substituted by a (3S)-3-amino-3-carboxypropyl group.


CHRYSOGEDONE A

A  pyridone that is pyridin-2(1H)-one substituted by a methyl group at position 6 and a 1-hydroxybutyl group at position 5. It has been isolated from Penicillium chrysogenum.


An oxalane substituted by an oxo group at position 3.


A member of the class of aminopyrimidine with the amino group at position 4 with additional methyl and formamidomethyl substituents at positions 2 and 5 respectively.


lythramine

A piperidine alkaloid that is lythranidine with the hydroxy group C-10 esterified into an acetate and a methylene bridge formed between the hydroxy at C-9 and the piperidine nitrogen.


A 2-pyranone in which the hydrogens at positions 4, 5 and 6 of 2H-pyran-2-one are replaced by hydroxy, methyl and heptadecyl groups respectively.


pyridoxal hydrochloride

A hydrochloride obtained by combining pyridoxal with one molar equivalent of hydrochloric acid.


tovorafenib

A 1,3-thiazolecarboxamide that is 2-[(1R)-1-aminoethyl]-1,3-thiazole-5-carboxylic acid in which the carboxy group undergoes formal condensation with the amino group of 5-chloro-4-(trifluoromethyl)pyridin-2-amine and in which the amino group undergoes formal condensation with the carboxy group of 6-amino-5-chloropyrimidine-4-carboxylic acid. It is a pan-RAF kinase inhibitor which is currently in clinical development for the treatment of radiographically recurrent or progressive low-grade glioma in children and young adults.


A pyrimidine 2'-deoxyribonucleoside that is uridine in which the hydroxy group at position 2' has been replaced by two fluoro substituents. It is a metabolite of the drug gemcitabine.


LEHUALIDE G

A member of the class of 2-pyranones that is 2H-pyran-2-one substituted by a methoxy group at position 3, a hydroxy group at position 4, a methyl group at position 5 and a (2E)-3-methyl-11-phenylundec-2-en-1-yl group at position 6. Isolated from the marine sponge of the genus Plakortis, it exhibits cytotoxicity against human promyeloid leukemic HL-60 cells.


name: 2-(2-fluoroanilino)-3-pyridinecarboxylic acid [2-[(1,1-dioxo-3-thiolanyl)-methylamino]-2-oxoethyl] ester


dihydromonacolin L

A pyranone obtained by selective hydrogenation of the 4a,5-double bond in monacolin L.


A hydrazone obtained by formal condensation of the carbonyl group of 2-hydroxy-3-methoxybenzaldehyde with 2-hydrazinopyridine.


atogepant

A secondary carboxamide resulting from the formal condensation of the carboxy group of (3'S)-2'-oxo-1',2',5,7-tetrahydrospiro[cyclopenta[b]pyridine-6,3'-pyrrolo[2,3-b]pyridine]-3-carboxylic acid with the amino group of (3S,5S,6R)-3-amino-6-methyl-1-(2,2,2-trifluoroethyl)-5-(2,3,6-trifluorophenyl)piperidin-2-one. It is a selective oral, small-molecule antagonist of calcitonin gene-related peptide (CGRP) receptor that has been approved for the treatment of migraine.


An inorganic heteromonocyclic compound that is 1,3,5-triazine in which the carbon atoms have been replaced by phosphorus atoms. It was one of a series of compounds which was being developed for use as a fire-resistant hydraulic fluid.


A 1,2,4-oxadiazole that is substituted by 3-(trifluoromethyl)-4-{[4-(trifluoromethyl)benzyl]oxy}phenyl and (2S)-1-carbamimidoylpyrrolidin-2-yl groups at positions 3 and 5, respectively. It is a potent inhibitor of sphingosine kinase 2 (SphK2) with Ki of 89 nM.


Pyribencarb

A carbamate ester that is the methyl ester of (2-chloro-5-{(1E)-N-[(6-methylpyridin-2-yl)methoxy]ethanimidoyl}benzyl)carbamic acid. A fungicide having excellent activity against a wide range of plant pathogenic fungi, especially gray mould diseases caused by Botrytis cinerea.


An aminopyrimidine compound having its amino group at position 2 and hydroxy and methyl substituents at positions 4 and 6 respectively.


(R)-pyrimisulfan

A N-{2-[(4,6-dimethoxypyrimidin-2-yl)(hydroxy)methyl]-6-(methoxymethyl)phenyl}-1,1-difluoromethanesulfonamide that has R configuration.


A member of the class of  benzamides that is N-(2-nitrophenyl)benzamide substituted by a chloro group at position 2 and a piperidin-1-ylsulfonyl group at position 5.


reedsmycin F

A macrolide isolated from the reed rhizosphere soil-derived Streptomyces sp. CHQ-64.


O-demethylbuchenavianine

A piperidine alkaloid that consists of 5,7-dihydroxyflavone attached to a 1-methylpiperindin-2-yl moiety at position 8. It is a flavonoid alkaloid isolated from Buchenavia capitata, and has been shown to exhibit anti-HIV activity.


A member of the class of benzothiazoles that is 1,3-benzothiazole substituted by a methylnitrilo group, (pyridin-3-yl)methyl group, methyl group, hydroxy group and methyl group at position 2,4,5,6 and 7, respectively. It is a dual inhibitor of 5-lipoxygenase and thromboxane A2 synthetase and exhibits anti-inflammatory properties. The drug was being developed by Eisai (Tokyo, Japan) for the treatment of bowel disease.


name: 2-[(3R,6aS,8R,10aS)-3-hydroxy-1,2,3,4,6,6a,8,9,10,10a-decahydropyrano[2,3-c][1,5]oxazocin-8-yl]acetic acid methyl ester


guanosines

Any purine ribonucleoside that is a derivative of guanosine.


1-pyrroline-2-carboxylic acid

The product resulting from formal oxidation of DL-proline by loss of hydrogen from the nitrogen and from the carbon alpha to the carboxylic acid, with the formation of a C=N bond.


name: 3-[[3-[4-(3-chlorophenyl)-1-piperazinyl]-1-oxopropyl]amino]-4-methoxy-1H-indole-2-carboxylic acid methyl ester


A biaryl that is pyrimidine substituted at position 4 by a phenyl group.


name: N-[4-[4-(4-hydroxyphenyl)-1-piperazinyl]phenyl]carbamic acid phenyl ester


A purine nucleoside in which  adenine  is attached to xylofuranose via a beta-N(9)-glycosidic bond.


An aminopyrimidine in which the pyrimidine ring bears amino and hydroxy substituents at positions 2 and 4, respectively.


(R)-mevalonolactone

A 4-hydroxy-4-methyloxan-2-one that has (R)-configuration. It is a natural product found in Phomopsis archeri.


norfentanyl

A monocarboxylic acid amide resulting from the formal condensation of the aryl amino group of 4-(N'-phenyl)piperidin-4-amine with propanoic acid. A major metabolite of fentanyl.


thiamine(1+) aldehyde

A heteroarenecarbaldehyde that is thiamine(1+) in which the 2-hydroxyethyl group has been replaced by a 2-oxoethyl group.


bofutrelvir

A secondary carboxamide resulting from the formal condensation of the carboxy group of 1H-indole-2-carboxylic acid with the primary amino group of 3-cyclohexyl-N-{(2S)-1-oxo-3-[(3S)-2-oxopyrrolidin-3-yl]propan-2-yl}-L-alaninamide. It is an inhibitor of SARS coronavirus main proteinase and inhibits SARS-CoV-2 replication in cell culture (EC50 = 0.53 muM).


pyrazine N-oxide

Any pyrazine carrying at least one N-oxido substituent.


cryptocaryol A

A member of the class of 2-pyranones that is 5,6-dihydro-2H-pyran-2-one substituted by a 2,4,6,8,10-pentahydroxypentacosyl group at position 6. It has been isolated from Cryptocarya species.


cordysinin B

A member of the class of adenosines that is adenosine in which the hydroxy group at position 2' is replaced by a methoxy group. It has been isolated from the mycelia of Cordyceps sinensis.


A member of the class of pyrimidones that is 1,2-dihydropyrimidin-2-one in which the hydrogen at position 4 is replaced by a 5,6-diamino-2-oxo-2,3,4,5-tetrahydropyrimidin-4-yl group.


(-)-coniine

A 2-propylpiperidine that has R-configuration.


name: 4-morpholinecarboxylic acid [3-(6-amino-5-cyano-3-ethyl-2,4-dihydropyrano[2,3-c]pyrazol-4-yl)phenyl] ester


(R)-nuarimol

A (2-chlorophenyl)(4-fluorophenyl)pyrimidin-5-ylmethanol that has R configuration.


A methyladenosine that is the 1-methyl-2-hydro derivative of adenosine.


uracil-5-carboxylic acid

A pyrimidinemonocarboxylic acid that is uracil carrying a carboxy group at position 5.


A 2-[4-(piperidin-3-yl)phenyl]-2H-indazole-7-carboxamide that has R-configuration. It is a potent PARP1 inhibitor with IC50 of 2.4 nM.


name: methanesulfonic acid [(2R,5R)-2-(6-amino-2-chloro-9-purinyl)-4-hydroxy-5-(hydroxymethyl)-3-oxolanyl] ester


CAERULOMYCIN A

A pyridine alkaloid that is 2,2'-bipyridine substituted by a methoxy group at position 4 and a (E)-(hydroxyimino)methyl group at position 6. Isolated from the marine-derived actinomycete Actinoalloteichus cyanogriseus, it exhibits antineoplastic activity.


name: 2-pyridinecarboxylic acid [2-(2,3-dichloroanilino)-2-oxoethyl] ester


Inosine carrying a methyl substituent on the oxygen at position 6 on the hypoxanthine ring.


name: 4-(4-morpholinyl)-3-nitrobenzoic acid 2-[3-(cyanomethyl)-4-methyl-5-thiazol-3-iumyl]ethyl ester


A methyl 2,6-dimethyl-5-nitro-4-[2-(trifluoromethyl)phenyl]-1,4-dihydropyridine-3-carboxylate in which the 4-position has (S)-configuration.


(R)-DOXAPRAM

The (R)-enantiomer of doxapram.


A pyrimidine nucleoside that is uridine in which the 5'-hydroxy group has been oxidised to the corresponding aldehyde.


A  monocarboxylic acid amide obtained by formal condensation between N-butyl-L-serinamide and (2Z)-2-(2-furyl)-2-(methoxyimino)acetic acid.


A pyrazine that is substituted by an acetyl group at position 2. It has been identified as one of the volatile flavor constituents in popcorn, bread crust, vinegar, and potato snacks.


aminocyclopyrachlor

An organochlorine herbicide, the structure of which is that of pyrimidine-4-carboxylic acid substituted at positions 2, 5 and 6 by cyclopropyl, chloro and amino groups respectively.


benzpyrimoxan

A member of the class of pyrimidines that is pyrimidine substituted by [4-(trifluoromethyl)phenyl]methoxy and 1,3-dioxan-2-yl groups at positions 4 and 5, respectively. It is an insecticide discovered and developed by Nihon Nohyaku, inhibits molting of nymphs of plant and leaf hoppers and reduces the pest population in paddy fields.


DISTIGMINE BROMIDE

An organic bromide salt of distigmine. It is an anticholinesterase drug used for the treatment of myasthenia gravis and postoperative urinary retention.


An aminopyrimidine compound having its amino substituent at the 4-position together with methyl and aminomethyl substituents at the 2- and 5-positions respectively.


mugineic acid

An azetidinecarboxylic acid that is the parent of the class of mugineic acids.


A methyladenosine in which the methyl group is located at position 2 on the adenine ring.


A furan having a nitro group at position 5 and a carboxamido group in turn  bearing a long-chain multifunctional N-alkyl group at position 2.


1,4'-bipiperidine-1'-carboxylic acid

A monocarboxylic acid resulting from the formal condensation of the amino group of 1,4'-bipiperidine with carbonic acid.


chaetoglocin A

A member of the class of 2-pyranones that is 2H-pyran-2-one substituted by a (2E)-1-hydroxybut-2-en-2-yl group at position 6, a hydroxymethyl group at position 5 and a methoxy group at position 4. It has been isolated from the solid-fermentation culture of Chaetomium globosum and has been shown to exhibit antibacterial activity.


hydroxymethylpyridine

Any member of the class of  pyridines carrying a hydroxymethyl substituent at unspecified position.


S-ROLIPRAM

The (S)-enantiomer of rolipram.


difurfuryl ether

A member of the class of furans that is furan which is substituted by a (furan-2-ylmethoxy)methyl group at position 2.


A member of the class of indoles that is 1H-indole substituted by a 2-[4-(4-aminopiperidin-1-yl)-2-methoxyanilino]-5-chloropyrimidin-4-yl group at position 3. It is an orally bioavailable dual inhibitor of ALK and IGF1R with Ki value of 0.75 nM for ALK.


A member of the class of furans that is furan substituted by methyl, acetyl and methyl groups at positions 2, 3 and 5, respectively.


An aminopyrimidine in which a pyrimidine core carries amino substituents at positions 2, 4 and 6.


name: 4-(3-methoxyanilino)-2-methyl-5-oxo-1-phenyl-2-pyrrolecarboxylic acid ethyl ester


(R)-ethosuximide

The (R)-enantiomer of ethosuximide.


purine deoxyribonucleoside

A deoxyribonucleoside containing a purine base.


name: 5-ethyl-2-[[[3-(4-morpholinyl)-4-nitrophenyl]-oxomethyl]amino]-3-thiophenecarboxylic acid ethyl ester


name: 4-(2-furanyl)-6-methyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidine-5-carboxylic acid ethyl ester


tunicamycin B3

A nucleoside that is one of the homologues in the mixture that is tunicamycin, characterised by an 13-methyltetradecanoyl fatty acyl substituent on the amino group of the tunicamine moiety.


A pyrimidine 2'-deoxyribonucleoside that is 2'-deoxyuridine in which the hydrogen at position 5 has been replaced by a 2-aminoethyl group. It is a thymidine hypermodification replacing 30% of thymidine in the DNA of the Pseudomonas phage M6.


(S)-1-pyrroline-5-carboxylic acid

A 1-pyrroline-5-carboxylic acid in which the chiral centre has S configuration.


An N-acylglycine in which the acyl group is specified as 4-pyridylacetyl.


CAERULOMYCIN K

A pyridine alkaloid that is 2-phenylpyridine substituted by a methoxy group at position 4 and a (E)-(hydroxyimino)methyl group at position 6. Isolated from the marine-derived actinomycete Actinoalloteichus cyanogriseus, it exhibits antineoplastic activity.


A pyrazolopyrimidine that is 1H-pyrazolo[3,4-d]pyrimidin-4-amine which is substituted at positions 1 and 3 by tetrahydro-2H-pyran-4-yl and (m-chlorophenoxy)methyl groups, respectively. It is a selective inhibitor of the epsilon isoform of casein kinase 1 (CK1epsilon).


An N-glycosyl compound that is kinetin in which an alpha-D-glucopyranosyl residue is attached at position N-9.


triazolines

Molecules containing a triazoline skeleton.


name: 2-[(3R,6aR,8S,10aR)-3-hydroxy-1,2,3,4,6,6a,8,9,10,10a-decahydropyrano[2,3-c][1,5]oxazocin-8-yl]acetic acid methyl ester


A 2-pyranone in which the hydrogens at positions 4 and 6 of 2H-pyran-2-one are replaced by hydroxy and 2-oxohenicosyl groups respectively.


isocyanuric acid

The keto tautomer of cyanuric acid.


A piperazine-2-carboxamide having (S)-configuration.


name: 1-(5-isoquinolinylmethyl)-4-[(3-methoxyphenyl)methyl]-4-piperidinecarboxylic acid ethyl ester


karetazan

A member of the class of 4-pyridones that is N-ethyl-4-pyridone that is substituted at positions 2, 3, and 6 by p-chlorophenyl, carboxy, and methyl groups, respectively. It is used (particularly as its potassium salt, known as karetazan-potassium) as a chemical hybridisation agent for commercial hybrid seed production. It is not approved for use within the European Union.


tellurophene

A five-membered monocyclic heteroarene composed of four CH units and one tellurium atom. The parent of the class of tellurophenes.


glutaric anhydride

A cyclic dicarboxylic anhydride that is oxane which carries oxo groups at positions 2 and 6. It is used as an intermediate in the production of pharmaceuticals, corrosion inhibitors, and polymers (E.g. epoxy polyesters).


NORARECOLINE

The methyl ester of guvacine.


(-)-anaferine

A piperidine alkaloid that is piperidine substituted by a 2-oxo-3-[(2R)-piperidin-2-yl]propyl group at position 2.


tunicamycin C1

A nucleoside that is one of the homologues in the mixture that is tunicamycin, characterised by a 14-methylpentadec-2-enoyl fatty acyl substituent on the amino group of the tunicamine moiety.


dihydrodipicolinic acid

A dicarboxylic acid in which the carboxylic acid groups are at the 2 and 6 positions of a dihydropyridine.


A pyrimidine 2'-deoxyribonucleoside that is 2'-deoxycytidine having a cyano group in the 2'-position. It is the active metabolite of the anti-cancer drug, sapacitabine which is currently in clinical development for the treatment of hematologic malignancies and solid tumors.


A purine 2'-deoxyribonucleoside consisting of 2'-deoxyguanosine having a 1-carboxyethyl group attached at the N(2)-position.


pyrandione

Any pyran compound that contains an unsaturated six-membered ring with one ring oxygen atom and two oxo substituents.


thiamine hydrochloride dihydrate

A hydrate that is the dihydrate form of thiamine hydrochloride.


name: 2-[(2R,3R,6R)-2-(hydroxymethyl)-3-(1-oxopropylamino)-3,6-dihydro-2H-pyran-6-yl]acetic acid methyl ester


A pyrimidine 2'-deoxyribonucleoside having 5,6-dihydroxyuracil as the nucleobase.


hydroxypyridine

Any member of the class of pyridines with at least one hydroxy substituent.


MPA

A member of the class of pyrazines that is amiloride in which the primary amino group adjacent to the chloro substiuent has been substituted by a methyl group and a propyl group.


A tetrapeptide that consists of four piperidine-4-carboxylic acid units (connected via amide linkages) where the amino terminus is acylated by a 3-[2-(2-{[4-(indol-3-yl)butanoyl]amino}ethoxy)ethoxy]propanoyl group and the carboxy terminus is formally condensed with the amino group of 3-[2-(2-aminoethoxy)ethoxy]propanoic acid, the carboxy group of which is in turn formally condensed with the alpha-amino group of N(6)-5-nitrofuroyllysine bearing a polyether moiety at its carboxy terminus.


A hydroxypiperidine that has three hydroxy groups located at positions 3, 4 and 5 as well as a hydroxymethyl substituent at position 2.


A secondary carboxamide resulting from the formal condensation of the carboxy group of 3',4'-difluoro-6-[(3S)-pyrrolidin-3-yloxy][biphenyl]-3-carboxylic acid with the primary amino group of 4'-fluoro-6-[(3S)-pyrrolidin-3-yloxy][biphenyl]-3-amine. It is an beta-catenin/BCL9 protein-protein interaction inhibitor.


THIAMINE HYDROCHLORIDE

A hydrochloride obtained by combining thiamine chloride with one molar equivalent of hydrochloric acid.


prosolanapyrone

A member of the class of 2-pyranones that is 2H-pyran-2-one substituted at position 2 by a methyl, hydroxymethyl, or carbaldehyde group, at position 4 by a methoxy group, and at position 6 by a (1E,7E,9E)-undeca-1,7,9-trien-1-yl group. Prosolanapyrones are biosynthetic precursors for solanapyrones.


(R,S)-MEFLOQUINE

An optically active form of [2,8-bis(trifluoromethyl)quinolin-4-yl]-(2-piperidyl)methanol having (+)-(11R,2'S)-erythro-configuration. An antimalarial agent, used in racemic form, which acts as a blood schizonticide; its mechanism of action is unknown.


4-aminonicotinic acid

An aminonicotinic acid in which the amino group is situated at position 4 of the pyridine ring.