A monocarboxylic acid anion that is the conjugate base of 9-[(9Z)-hexadecenoyloxy]octadecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A docosanoid anion obtained by deprotonation of the two carboxy groups and protonation of the glutamyl alpha-amino group of (13R)-S-cysteinylglycinyl-(14S)-hydroxy-(4Z,7Z,9E,11E,16Z,19Z)-docosahexaenoic acid; major species at pH 7.3.


An organosulfate oxoanion resulting from the removal of a proton from the sulfate group of N-acetyl-beta-D-galactosamine 6-sulfate.


trans-urocanate

A urocanate obtained by deprotonation of the carboxy group of trans-urocanic acid; major species at pH 7.3.


Conjugate base of 2-cyanocinnamic acid.


cholanic acid anion

Any steroid acid anion based on a cholanic acid skeleton.


2-hydroxypentacosanoic acid

A 2-hydroxy fatty acid that is pentacosanoic acid substituted by a hydroxy group at position 2.


A 2-hydroxy fatty acid anion that is the conjugate base of 2-hydroxyoctacosanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Dianion of 10-formyltetrahydrofolic acid arising from deprotonation of both carboxylic acid functions.


A hydroxy monocarboxylic acid anion that is the conjugate base of rosuvastatin, obtained by deprotonation of the carboxy group; major species at pH 7.3.


biliverdin delta(1-)

A linear tetrapyrrole anion obtained by deprotonation of the two carboxy groups and protonation of the imine nitrogen of biliverdin delta; It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


leukotriene F4(2-)

A leukotriene anion obtained by deprotonation of the three carboxy groups and protonation of the glutamyl alpha-amino group of leukotriene F4; major species at pH 7.3.


A steroid sulfate oxoanion obtained by deprotonation of the sulfo group of any 5alpha-pregnane-3beta,20alpha-diol monosulfate.


androsterone sulfate(1-)

A steroid sulfate oxoanion that is the conjugate base of androsterone sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3.


A penicilloate anion arising from deprotonation of both carboxy groups of a penicilloic acid.


A monocarboxylic acid anion that is conjugate base of ascr#16 resulting from the deprotonation of the carboxy group; Major species at pH 7.3.


A hydroxy monocarboxylic acid anion that is the conjugate base of [(1S)-4-hydroxy-2,2,3-trimethylcyclopent-3-enyl]acetic acid, arising from deprotonation of the carboxy group; major species at pH 7.3.


monacolin J carboxylate

A hydroxy monocarboxylic acid anion that is the conjugate base of monacolin J acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A phthalate that is the dianion obtained by the deprotonation of both the carboxy groups of phthalic acid.


Conjugate base of muramyl dipeptide. Major species at pH 7.3.


An N-acyl-(2S)-hydroxyglycinate resulting from the deprotonation of the carboxy group of N-hexanoyl-(2S)-hydroxyglycine. The major species at pH 7.3.


An S-substituted N-acetyl-L-cysteinate that is the conjugate base of N-acetyl-S-phenyl-L-cysteine resulting from the deprotonation of the carboxy group; major species at pH 7.3.


Dicarboxylate anion of 2-(acetamidomethylidene)succinic acid; major species at pH 7.3.


A C4-dicarboxylate obtained by deprotonation of both carboxy groups of 3-hydroxy-L-aspartic acid.


17-oxoresolvin D1(1-)

A polyunsaturated fatty acid that is the conjugate base of 17-oxoresolvin D1, obtained by deprotonation of the carboxy group; major species at pH 7.3.


fatty acid anion 23:0

Any saturated fatty acid anion containing 23 carbons. Formed by deprotonation of the carboxylic acid moiety. Major species at pH 7.3.


A steroid glucuronide anion that is the conjugate base of 5alpha-dihydrotestosterone 17-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


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


carboxylic acid anion

The conjugate base formed when the carboxy group of a carboxylic acid is deprotonated.


Major species at pH 7.3.


Dicarboxylate anion of 2-isopropylmaleic acid; major species at pH 7.3.


Trianion of 3-phosphoglyceric acid arising from deprotonation of the carboxy and phosphate groups; major species at pH 7.3.


A tricarboxylic acid trianion obtained by deprotonation of the three carboxy groups of N(alpha)-citryl-N(epsilon)-acetyl-N(epsilon)-hydroxylysine.


Dicarboxylate anion of 3-(1-carboxyvinyloxy)anthranilic acid.


A dihexosylceramide sulfate(1-) obtained by deprotonation of the sulfate group of beta-D-3-sulfogalactosyl-(1->4)-beta-D-glucosyl-(1<->1')-ceramide; major species at pH 7.3.


A (5Z,8Z,14Z)-11,12-dihydroxyicosatrienoate obtained by deprotonation of the carboxy group of (5Z,8Z,11S,12S,14Z)-11,12-dihydroxyicosatrienoic acid; major species at pH 7.3.


A steroid glucuronide anion that is the conjugate base of lithocholic acid 3-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid functions; major species at pH 7.3.


An alpha-amino-acid anion resulting from the deprotonation of the carboxy group of 1-aminocyclopropanecarboxylic acid.


docosahexaenoate

A polyunsaturated fatty acid anion that is the conjugate base of docosahexaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A 2-oxo monocarboxylic acid anion that is the conjugate base of (R)-3,4-dihydroxy-2-oxobutanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


N(tele)-methyl-trans-urocanate

A urocanate derivative obtained by deprotonation of the carboxy group of   N(tele)-methyl-trans-urocanic acid; major species at pH 7.3.


A hydroxybenzoate that is the conjugate base of mesalamine, arising from deprotonation of the carboxy group.


A quinolinate(1-) that is the tautomer of 3-carboxypyridine-2-carboxylate.


trihydroxyicosatrienoate

An icosanoid anion obtained by the deprotonation of the carboxy group of any trihydroxyicosatrienoic acid.


epoxydocosapentaenoate

A docosanoid anion arising from deprotonation of the carboxylic acid function of any epoxydocosapentaenoic acid.


A polyunsaturated fatty acid anion that is the conjugate base of 10(R)-HPO(6,8,12)TrE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Conjugate base of 3alpha,7alpha-dihydroxy-12-oxo-5beta-cholanic acid; major species at pH 7.3.


nonanoate

A medium-chain fatty acid anion that is the conjugate base of nonanoic acid that in methyl ester form has significant nematicidal activity.


hexacosenoate

An unsaturated fatty acid anion that is the conjugate base of hexacosenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Dicarboxylate anion of (S)-2-acetamido-6-oxopimelic acid; major species at pH 7.3.


A 2-hydroxy fatty acid anion that is the conjugate base of 2-hydroxy-3-methylpentanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


glycerate

A hydroxy monocarboxylic acid anion that is the conjugate base of glyceric acid, obtained by deprotonation of the carboxy group.


chondroitin 4'-sulfate anion

The organosulfate oxoanion that is the conjugate base of chondroitin 4'-sulfate.


A short-chain (3R)-hydroxy fatty acyl-CoA(4-) obtained by deprotonation of the phosphate and diphosphate OH groups of (3R)-hydroxypentanoyl-CoA; major species at pH 7.3.


A 3,4-dihydroxy-5-polyprenylbenzoate in which the polyprenyl chain contains 10 prenyl units; major species at pH 7.3.


The conjugate base of S-carboxymethyl-L-cysteine having anionic carboxy groups and a protonated amino group; major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of 9-(octadecanoyloxy)octadecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of 3-hydroxy-3-phenylpropionic acid.


An omega-hydroxy fatty acid anion that is the conjugate base of 3,12-dihydroxylauric acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An unsaturated fatty acid anion obtained by the deprotonation of the carboxy group of any hydroxyoctadecadienoic acid.


A 2-hydroxy fatty acid anion with a chain that is composed of 26 carbons and 1 double bond (position unspecified).


Conjugate base of 2,5-didehydro-D-gluconic acid.


A trihydroxyicosatrienoate that is the conjugate base of 13,14,15-trihydroxy-(5Z,8Z,11Z)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


isoheptadecanoate

A methyl-branched fatty acid anion that is the conjugate base of isoheptadecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A steroid acid anion that is the conjugate base of 3beta-hydroxy-5alpha-cholest-8-ene-4alpha-carboxylic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


5-phospho-D-xylonate (3-)

A 4-hydroxy monocarboxylic acid anion obtained by deprotonation of the carboxy and phosphate OH groups of 5-phospho-D-xylonic acid. Major microspecies at pH 7.3.


enol-oxaloacetate

A C4-dicarboxylate resulting from the removal of a proton from both carboxylic acid groups of enol-oxaloacetic acid.


A docosanoid anion that is the conjugate base of (7R,14S)-dihydroxy-(4Z,8E,10E,12Z,16Z,19Z)-docosahexaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An (omega-1)-hydroxy fatty acid anion that is the conjugate base of 9,10-epoxy-17-hydroxyoctadecanoic acid arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


A pyrrolecarboxylate that is the conjugate base of 5-hydroxypyrrole-2-carboxylic acid.


A dicarboxylic acid monoanion that is the conjugate base of oxalic acid.


N-docosanoylglycinate

An N-acylglycinate that is the conjugate base of N-docosanoylglycine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


The conjugate base of gamma-amino-beta-hydroxybutyric acid arising from deprotonation of the carboxy group.


A tricarboxylic acid anion resulting from the deprotonation of the three carboxy groups of bongkrekic acid; major species at pH 7.3.


cumate

A member of the class of benzoates obtained by the deprotonation of the carboxy group of cumic acid.


A cephalosporin carboxylic acid anion formed by proton loss from the carboxy group of ceftazidime, a cephalosporin having 7beta-[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-{[(2-carboxypropan-2-yl)oxy]imino}acetyl]amino and 3-pyridinium-1-ylmethyl side-groups.


An N-acyl-L-alpha-amino acid anion that is the conjugate base of N-[(12S)-hydroperoxy-(5Z,8Z,10E,14Z)-icosatetraenoyl]alanine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A triply-charged monocarboxylic acid anion obtained by deprotonation of the carboxy and phospho groups of 3-phosphonopyruvic acid.


A dicarboxylic acid dianion obtained by deprotonation of the carboxy groups of (4Z)-2-oxohept-4-enedioic acid; major species at pH 7.3.


pyridinemonocarboxylate

A monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of a pyridinemonocarboxylic acid. A 'closed class'.


3-acetylchlorophyllide a(2-)

A cyclic tetrapyrrole anion that is obtained from 3-acetylchlorophyllide a via deprotonation of the carboxy group and formation of a carbide ion. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


Trianion of N(5)-formyl-5,6,7,8-tetrahydromethanopterin arising from deprotonation of the carboxy and phosphate groups; major species at pH 7.3.


docosenoate

A monounsaturated fatty acid anion that is the conjugate base of docosenoic acid, formed by deprotonation of the carboxylic acid group. Major species at pH 7.3.


An alpha-amino-acid anion that is the conjugate base of 4-methyl-L-glutamic acid, having anionic carboxy groups and a cationic amino group. Major species at pH 7.3.


A polyunsaturated fatty acid anion that is the conjugate base of (5Z,8Z,11Z)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A hydroxy fatty acid anion that is the conjugate base of (3S,6R)-6-hydroxy-3,7-dimethyloctanoic acid, arising from deprotonation of the carboxy group; major species at pH 7.3.


The conjugate base of N(3)-oxalyl-L-2,3-diaminopropionic acid having anionic carboxy groups and a protonated primary amino group; major species at pH 7.3.


penicillin N(1-)

Conjugate base of penicillin N.


An organophosphate oxoanion that is a dianionic form of (2S)-2-amino-3-oxo-4-(phosphonooxy)butanoic acid. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


The 2-O-sulfonato-2'-O-hexadecanoyl derivative of alpha,alpha-trehalose.


chlorimuron

An N-sulfonylurea that is urea in which one of the nitrogens has been substituted by a (2-carboxyphenyl)sulfonyl group, while the other has been substituted by a 4-chloro-6-methoxypyrimidin-2-yl group. An acetolactate synthase inhibitor, it is used (generally as the corresponding ethyl ester) as a herbicide.


protoviolaceinate

A monocarboxylic acid anion that is the conjugate base of protoviolaceinic acid, resulting from the removal of the proton from the carboxy group. Major structure at pH 7.3.


A tricarboxylic acid trianion resulting from the deprotonation of all three carboxy groups of(2Z)-4-oxobut-2-ene-1,2,4-tricarboxylate, The major species at pH 7.3.


Anionic form of a sulfated menaquinone-type compound arising from deprotonation of the sulfate OH; a metabolite from Mycobacterium tuberculosis lipid extracts.


A steroid sulfate oxoanion that is the conjugate base of 2-hydroxy-17beta-estradiol 3-sulfate, obtained by deprotonation of the sulfo group.


alpha-mycolate type-3 (V')

The conjugate base of alpha-mycolic acid type-3 (V'). A class of mycolic acids characterized by the presence of a proximal cis-cyclopropyl group followed by a cis C=C double bond and another distal cis-cyclopropyl group in the meromycolic chain.


Hexaanion of precorrin-6Y.


methoxymycolate type-3 (IX'')

The conjugate base of methoxymycolic acid type-3 (IX''). A class of mycolic acids characterized by the presence of a proximal cis- cyclopropyl group followed by a cis C=C double bond and a distal (CH-CH3)-(CHO-CH3) fragment of (S,S) stereochemistry in the meromycolic chain.


Major microspecies at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of 9-[(9Z),(12Z)-octadecadienoyloxy]-octadecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A 2-hydroxy fatty acid anion that is the conjugate base of 2-hydroxybehenic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


cholestanoic acid anion

Any steroid acid anion based on a cholestane skeleton.


An (omega-1)-hydroxy-long-chain fatty acid anion that is the conjugate base of (9Z,12Z)-17-hydroxyoctadeca-9,12-dienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


ketomycolate type-3 (XIII)

The conjugate base of ketomycolic acid type-3 (XIII). A class of mycolic acids characterized by the presence of a proximal cis C=C double bond and a distal oxo group and a (CH-CH3) fragment of (S) stereochemistry in the meromycolic chain.


An oxo dicarboxylate obtained by deprotonation of both carboxy groups of 2-oxoglutaric acid.


Tricarboxylate anion of 2-carboxylato-cis,cis-muconic acid; major species at pH 7.3.


A hydroxy fatty acid ascaroside anion that is the conjugate base of oscr#35, obtained by deprotonation of the carboxy group; major species at pH 7.3.


(E,E)-feruperate

Major species at pH 7.3


A C4-dicarboxylate that is the Z-isomer of but-2-enedioate(2-)


An N-acyl-(2S)-hydroxyglycinate resulting from the deprotonation of the carboxy group of N-hexadecanoyl-(2S)-hydroxyglycine. The major species at pH 7.3.


soppiline A(1-)

A hydroxy monocarboxylic acid anion that is the conjugate base of soppiline A, arising from the deprotonation of the carboxy group. Major species at pH 7.3.


A carbohydrate acid derivative anion that is the conjugate base of trans-3-hydroxycotinine beta-D-glucuronide, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An N-acyl-(3-O-sulfo-D-galactosyl)sphingosine(1-) obtained by deprotonation of the sulfo group of N-docosanoyl-(3-O-sulfo-D-galactosyl)sphingosine; major species at pH 7.3.


A 9,10-epoxyoctadecanoate that is the conjugate base of (9S,10R)-epoxyoctadecanoic acid arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


chloroacetate

A haloacetate(1-) resulting from the deprotonation of the carboxy group of chloroacetic acid.


A doubly-charged tricarboxylic acid anion arising from deprotonation of the carboxy groups and protonation of the amino group of 3-epi-3-hydroxymugineic acid.


Dicarboxylate anion of 2-(carboxymethyl)-5-oxo-2,5-dihydro-2-furoic acid.


The indol-3-yl carboxylic acid anion formed by loss of a proton from the carboxy group of (5-hydroxyindol-3-yl)acetic acid; principal microspecies at pH 7.3


A monocarboxylic acid anion obtained by deprotonation of the carboxy group of beta-D-4-deoxy-Delta(4)-GlcpA-(1->3)-D-GlcpNAc; major species at pH 7.3.


D-methioninate

The D-enantiomer of methioninate.


amino fatty acid anion

A nitrogen-containing fatty acid anion arising from deprotonation of the carboxy group of any amino fatty acid.


A polyunsaturated fatty acid anion that is the conjugate base of (17Z,20Z,23Z,26Z)-dotriacontatetraenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


beta-D-glucosyl crocetin(1-)

A carboxylic acid anion resulting from the removal of a proton from the carboxylic acid group of beta-D-glucosyl crocetin. The major species at pH 7.3.


pentacosenoate

A monounsaturated fatty acid anion with a chain that is composed of 25 carbons and 1 double bond (position unspecified).


serinate

An alpha-amino-acid anion that is the conjugate base of serine.


18-hydroxyleukotriene B4(1-)

A leukotriene anion that is the conjugate base of 18-hydroxyleukotriene B4, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A steroid sulfate oxoanion obtained by deprotonation of at least one of the sulfo groups of 5alpha-androstan-3beta,17alpha-diol disulfate.


A C82 alpha-mycolate having a C56 meromycolic chain with two cis cyclopropyl functions and a saturated C26 alpha-branch. It is produced by Mycobacterium tuberculosis H37Ra.


Spontaneous hydrolysis product of CHEBI:143143


An oxodocosahexaenoate that is the conjugate base of (4Z,8E,10Z,13Z,16Z,19Z)-7-oxodocosahexaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


(-)-ureidoglycolate

Conjugate base of (-)-ureidoglycolic acid.


The conjugate base of 2-iminio-3-(7-chloroindol-3-yl)propionate arising from deprotonation of the iminio function.


A citrate(1-) that is the conjugate acid of 2-(carboxymethyl)-2-hydroxysuccinate.


A steroid glucuronide anion that is the conjugate base of 5alpha-androstane-3beta,17beta-diol 17-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


An organosulfate oxoanion obtained by deprotonation of the sulfate group of any 1-(3-O-sulfo-beta-D-galactosyl)-ceramide; major species at pH 7.3.


The alpha-amino-acid anion formed by proton loss from the carboxy group of 5-hydroxylysine.


A bile acid anion that is the conjugate base of 12alpha-hydroxy-3-oxo-5beta-cholan-24-oic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A (2-chloro-5-oxo-2,5-dihydro-2-furyl)acetate obtained by deprotonation of the carboxy group of (R)-(2-chloro-5-oxo-2,5-dihydro-2-furyl)acetic acid; major species at pH 7.3.


thyroxine sulfate(1-)

Conjugate base of thyroxine sulfate having anionic carboxy and sulfate groups and the amino group protonated.


The conjugate base of (S)-3-(imidazol-5-yl)lactic acid; major species at pH 7.3.


trans-parinarate

A straight-chain, unsaturated fatty acid anion that is the conjugate base of trans-parinaric acid, arising from deprotonation of the carboxylic acid group.


A 16-HETE(1-) that is the conjugate base of 16(R)-HETE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A hydroxy fatty acid anion obtained by deprotonation of the carboxy group of 9(R)-HODE; major species at pH 7.3.


Trianion of GTP arising from deprotonation of three of the four phosphate OH groups.


saturated dicarboxylic acid dianion(2-)

A carboxylic acid dianion obtained by deprotonation of both carboxy groups of any dicarboxylic acid that contains no carbon-carbon double bonds.


Heptaanion of precorrin-3A.


lanostanoic acid anion

Any steroid acid anion based on a lanostane skeleton.


salicylurate

A monocarboxylic acid anion that is the conjugate base of salicyluric acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A monocarboxylic acid anion that results from the removal of a proton from the carboxylic acid group of germacra-1(10),4,11(13)-trien-12-oic acid.


An anionic ganglioside in which the oligosaccharide portion is composed of a trisaccharide, to which two sialic acid residues are attached.


A doubly-charged alpha-amino-acid anion arising from deprotonation of the carboxy and phosphate groups of N-adenylyl-L-phenylalanine; major species at pH 7.3.


A HPETE anion that is the conjugate base of 5-HPETE arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


cimicifugate K

Conjugate base of cimicifugic acid K; major microspecies at pH 7.3.


A dicarboxylic acid dianion obtained by deprotonation of the carboxy groups of 4-nitro-6-oxohepta-2,4-dienedioic acid; major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of N-[(12S)-hydroperoxy-(5Z,8Z,10E,14Z)-icosatetraenoyl]-gamma-aminobutanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


N-carbamoyl-L-tryptophanate

An N-carbamoyl-L-alpha-amino acid anion obtained by deprotonation of the carboxy group of N-carbamoyl-L-tryptophan; major microspecies at pH 7.3.


L-tetrahomomethionine zwitterion

An L-polyhomomethionine zwitterion obtained by transfer of a proton from the carboxy to the amino group of L-tetrahomomethionine; major species at pH 7.3.


gibberellin A1(1-)

Conjugate base of gibberellin A1.


An organophosphate oxoanion derived from 2-O-(6-phosphono-alpha-D-mannosyl)-D-glyceric acid by removal of the two protons from the phosphate group and the proton from the carboxylic acid group.


A prephenate(2-) obtained by deprotonation of both carboxy groups of (1s,4s)-prephenic acid; major species at pH 7.3.


phenylpyruvate

A 2-oxo monocarboxylic acid anion resulting from deprotonation of the carboxy group of either keto- or enol-phenylpyruvic acid.


A dicarboxylic acid dianion obtained by the deprotonation of both the carboxy groups of acetylenedicarboxylic acid.


N-acetylglycinate

An N-acylglycinate arising from deprotonation of the carboxy group of N-acetylglycine; major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of N-(3,4-dichlorophenyl)malonamic acid arising from deprotonation of the carboxy group.


A dicarboxylic acid monoanion that is the conjugate base of pimelic acid.


An icosanoid anion that is the conjugate base of 5(S)-HETE, obtained by deprotonation of the hydroxy group; major species at pH 7.3.


N-isobutyrylglycinate

A monocarboxylic acid anion that is the conjugate base of N-isobutyrylglycine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An unsaturated fatty acid anion that is the conjugate base of all-cis-8,11,14,17-icosatetraenoic acid, obtained by deprotonation of the carboxy group.


A hydroxybenzoate that is obtained by removal of a proton from the carboxylic acid group of 6-methylsalicylic acid.


nucleoside 5'-diphosphate(3-)

Trianion of nucleoside diphosphate arising from deprotonation of all three free OH groups of the diphosphate; major species at pH 7.3.


N-(carboxylatoaminomethyl)urea

Conjugate base of N-(carboxyaminomethyl)urea.


An organophosphate oxoanion resulting from deprotonation of the carboxy and phosphate OH groups of beta-D-ManNAcA-(1->4)-alpha-D-GlcNAc-1-diphospho-ditrans,polycis-undecaprenol; major species at pH 7.3.


A dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of suberic acid; major species at pH 7.3.


A steroid glucuronide anion that is the conjugate base of 2-methoxyestrone 3-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


A straight-chain unsaturated fatty acid anion that is the conjugate base of (E)-hexadec-2-enoic acid, obtained by deprotonation of the carboxy group.


Trianion of UDP-N-acetyl-D-galactosamine 4-sulfate arising from deprotonation of the sulfate and phosphate OH groups; major species at pH 7.3.


sulfosungeidine E

Major microspecies at pH 7.3.


The anion of 3-(5-benzyloxyindol-3-yl)pyruvic acid.


hydrogen phosphonatoacetate(2-)

A  monocarboxylic acid anion that is the dianion of phosphonoacetic acid arising from deprotonation of the carboxylic acid and partial depronation of the phosphate.


An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy group of alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-[alpha-L-Fuc-(1->4)]-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer; major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of oscr#34, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Dicarboxylate anion of 2-aminomuconic acid; major species at pH 7.3.


A hydroperoxydocosapentaenoate that is the conjugate base of (4Z,7Z,11Z,13Z,15E,17S)-10,17-bis(hydroperoxy)docosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


dihexosylceramide sulfate(1-)

An organosulfate oxoanion obtained by deprotonation of the sulfate group of any dihexosylceramide sulfate; major species at pH 7.3.


A 2-trans-abscisate obtained by removal of a proton from the carboxy group of (R)-2-trans-abscisic acid.


name: trans-heme d hydroxychlorin gamma-spirolactone(1-)

description: A monocarboxylic acid anion resulting from the removal of a proton from the carboxylic acid group of trans-heme d hydroxychlorin gamma-spirolactone.


Any glycosyloxyflavone that consists of a flavonol attached to a beta-D-glucosyl residue at position 7 via a glycosidic linkage.


A monounsaturated fatty acid anion that is the conjugate base of 9(10)-EpOME, obtained by deprotonation of the carboxy group; major species at pH 7.3.


N-benzyloxycarbonyl-L-leucinate

An N-acyl-L-alpha-amino acid anion that is the conjugate base of N-benzyloxycarbonyl-L-leucine.


A docosanoid anion that is the conjugate base of (4Z,7Z,11Z,13Z,15E,17S,19Z)-10,17-bis(hydroperoxy)docosahexaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


N-acetyl-L-valinate

A monocarboxylic acid anion that is the conjugate base of N-acetyl-L-valine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A hydroxy monocarboxylic acid anion that is the conjugate base of 6-hydroxy-3-isopropenylheptanoic acid, arising from deprotonation of the carboxy group. Product of the hydrolysis of 4-isopropenyl-7-methyloxepan-2-one.


Trianion arising from deprotonation of all three carboxylic acid groups of (2S,3S)-2-methylcitric acid.


15-dehydro-prostaglandin E2(1-)

Conjugate base of 15-dehydro-prostaglandin E2.


A monocarboxylic acid anion that is the conjugate base of icas#1 resulting from the deprotonation of the carboxy group; Major species at pH 7.3.


A polyunsaturated fatty acid anion that is the conjugate base of 19-HEPE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An  oxo carboxylic acid anion that is the conjugate base of 5-(3-carboxy-3-oxoprop-1-en-1-yl)-4-hydroxy-6-oxo-1,6-dihydropyridine-2-carboxylic acid.


Major microspecies at pH 7.3.


A hydroxy monocarboxylic acid anion that is obtained by removal of a proton from the carboxylic acid group of 3-dehydroquinic acid.


A carbohydrate acid derivative anion obtained by deprotonation of both carboxy groups of (S)-malyl N-acetyl-alpha-D-glucosaminide; major species at pH 7.3.


An alpha-amino-acid anion that is the conjugate base of 3,5-diiodo-L-tyrosine.


A long-chain unsaturated fatty acid anion that is the conjugate base of (9S),10-epoxy-(10,12Z)-octadecadienoic acid, arising from deprotonation of the carboxylic acid group.


alpha-linolenate

A linolenate that is the conjugate base of alpha-linolenic acid, arising from deprotonation of the carboxylic acid group.


An 11-HETE(1-) that is the conjugate base of 11(R)-HETE(1-), obtained by deprotonation of the carboxy group; major species at pH 7.3.


A docosanoid anion that is the conjugate base of (10R,17S)-dihydroxy-(7Z,11E,13E,15Z,19Z)-docosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A dicarboxylic acid dianion obtained by deprotonation of the carboxy groups of (+)-DCA-CC; major species at pH 7.3.


A 5-oxo monocarboxylic acid anion obtained by deprotonation of the carboxy group of any diastereomer of 4,5-didehydrojasmonic acid; major species at pH 7.3.


A cholanic acid anion that is the conjugate base of 7,12-dioxolithocholic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


7-hydroxybacteriochlorophyllide c(1-)

A cyclic tetrapyrrole anion obtained by deprotonation of the carboxy group of any 7-hydroxybacteriochlorophyllide c; major species at pH 7.3.


An octatriacontapentaenoate that is the conjugate base of (20Z,23Z,26Z,29Z,32Z)-octatriacontapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An omega-hydroxy-long-chain fatty acid anion resulting from the deprotonation of the carboxy group of (9Z)-16-hydroxyhexadec-9-enoic acid. The major species at pH 7.3.


A 3-(omega-methylthio)alkylmalate(2-) obtained by deprotonation of both carboxy groups of 3-(3-methylthio)propylmalic acid; major species at pH 7.3.


glycocholate 7-sulfate(2-)

A steroid sulfate oxoanion obtained by deprotonation of the carboxylic acid and sulfate functions of glycocholic acid 7-sulfate; major species at pH 7.3.


An alpha-amino-acid anion that is the conjugate base of (4R)-4-methyl-L-glutamic acid resulting from the deprotonation of the alpha-carboxy group. It is a potent agonist of the kainate receptors GluK1 and GluK2.


A carbohydrate acid derivative anion arising  from deprotonation of the carboxy group of GlcNAc-1,6-anhMurNAc; major species at pH 7.3.


oxa fatty acid anion

Any fatty acid anion in which oxygen replaces carbon as the divalent group -O- for the group -CH2.


A hydroxy fatty acid ascaroside anion that is the conjugate base of bkos#9, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An unsaturated fatty acid anion that is the conjugate base of 8-KETE, obtained by deprotonation of the carboxy group.


caffeic acid 3-sulfate(2-)

A phenyl sulfate oxoanion obtained by deprotonation of the sulfo and carboxy groups of caffeic acid 3-sulfate; major species at pH 7.3.


tetradecenoate

A fatty acid anion containing 14 carbons and 1 double bond. Major species at pH 7.3.


A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of (S)-imazaquin.


beta-muricholate

A bile acid anion resulting from deprotonation of the carboxy group of beta-muricholic acid (i.e. the conjugate base of beta-muricholic acid). It is the major species at pH 7.3.


UDP-L-iduronic acid

A UDP-sugar in which the sugar component is L-iduronic acid.


An organosulfonate oxoanion arising from deprotonation of the sulfo and carboxy groups of 3-sulfolactic acid.


hexatriacontapentaenoate

A polyunsaturated fatty acid anion that is the conjugate base of hexatriacontapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


marinolate C

A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of marinolic acid C. The major species at pH 7.3.


Major microspecies at pH 7.3.


N-acetyl-D-muramoyl-L-alaninate

The carbohydrate acid derivative anion formed by loss of a proton from the carboxy group of N-acetyl-D-muramoyl-L-alanine; principal microspecies at pH 7.3.


An aspartate(1-) that is the conjugate base of D-aspartic acid.


A 5-oxo monocarboxylic acid anion that is the conjugate base of 12-hydroxyjasmonic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


N-acetylmuramate 6-phosphate

An organophosphate oxoanion that is a trianion arising from deprotonation of the phosphate and carboxylic acid functions of N-acetylmuramic acid 6-phosphate.


Conjugate base of 3-oxo-3-ureidopropanoic acid.


heparan sulfate polyanion

A carbohydrate acid derivative anion that is a polyanionic form of heparan sulfate arising from global deprotonation of the carboxy and N-sulfo groups; major species at pH 7.3.


ketomycolate type-3 (XIII')

The conjugate base of ketomycolic acid type-3 (XIII'). A class of mycolic acids characterized by the presence of a proximal cis C=C double bond followed by a cis-cyclopropyl group, a distal oxo group and a (CH-CH3) fragment of (S) stereochemistry in the meromycolic chain.


An N-acyl-(3-O-sulfo-D-galactosyl)sphingosine(1-) in which the ceramide N-acyl group is composed of 25 carbons with a hydroxy group at C2.


D-glucose 6-sulfate(1-)

Conjugate base of D-glucose 6-sulfate; major species at pH 7.3.


A steroid acid anion that has a carboxylate group located at the 4alpha-position together with a hydroxy substituent located at the 3beta-position. Major microspecies at pH 7.4.


Major microspecies at pH 7.3


A 2-hydroxy fatty acid anion resulting from the deprotonation of the carboxy group of 2-hydroxygondoic acid; major species at pH 7.3.


A monocarboxylic acid anion resulting from the removal of the from from the carboxy group of 3alpha,7alpha,12alpha-trihydroxy-5beta-cholestan-26-oic acid.


A monocarboxylic acid anion that is the conjugate base of 3-phenylpropionic acid, obtained by deprotonation of the carboxy group.


A monocarboxylic acid anion resulting from the deprotonation of the carboxyl group of indole-3-carboxylic acid.


A vaccenate(1-) that is the conjugate base of cis-vaccenic acid, arising from deprotonation of the carboxylic acid group.


A hydroxy fatty acid ascaroside anion that is the conjugate base of oscr#20, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An D-alpha-amino acid anion  arising from deprotonation of the carboxy groups and protonation of the guanidino group of D-octopine.


A hydroxy monocarboxylic acid anion obtained by deprotonation of the carboxy and 5-hydroxy groups of aklanonic acid. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


The anion of (R)-2-hydroxynonanoic acid.


An N-acyl-(3-O-sulfo-D-galactosyl)sphingosine(1-) obtained by deprotonation of the sulfo group of N-(2-hydroxybehenoyl)-(3-O-sulfo-D-galactosyl)sphingosine; major species at pH 7.3.


sebacate

A dicarboxylic acid anion obtained by deprotonation of at least one of the carboxy groups of sebacic acid.


3-oxoisoapionate 4-phosphate(2-)

Major microspecies at pH 7.3


cannabidiolate

A dihydroxybenzoate that is the conjugate base of cannabidiolic acid, obtained by deprotonation of the carboxy group.


A monocarboxylic acid anion that is the conjugate base of tolmetin, obtained by deprotonation of the carboxy group.


trimethylbenzoate

A benzoate obtained by deprotonation of the carboxy group of any trimethylbenzoic acid.


A dicarboxylic acid monoanion obtained by removal of a proton from one of the carboxylic acid groups of 5-dehydro-4-deoxy-D-glucaric acid.


isoeugenol sulfate(1-)

A phenyl sulfate oxoanion that is the conjugate base of isoeugenol sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3.


A cyclic tetrapyrrole anion that is obtained from any 7,7-dihydroxybacteriochlorophyllide c via deprotonation of the carboxy group; major species at pH 7.3.


A steroid glucuronide anion that is the conjugate base of 5beta-androstane-3alpha,17alpha-diol-11-one-17beta-carboxylate 3-O-(3-sulfo-beta-D-glucuronide) arising from deprotonation of the carboxylic and sulfate groups; major species at pH 7.3.


nocardicin A(2-)

A dicarboxylic acid dianion that is the major structure of isonocardicin A at pH 7.3 (according to Marvin v 6.2.0.).


A hydroxy monocarboxylic acid anion that is the conjugate base of 2-(beta-D-glucosyl)oxy-cis-cinnamic acid; major species ar pH 7.3.


An icosanoid anion that is the conjugate base of (5S)-hydroperoxy-(18S)-hydroxy-(6E,8Z,11Z,14Z,16E)-icosapentaenoic acid, arising from deprotonation of the carboxylic acid group; major species at pH 7.3.


oleanolate

A monocarboxylic acid anion that is the conjugate base of oleanolic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


18-oxoresolvin E1(1-)

An icosanoid anion resulting from the removal of a proton from the carboxy group of 18-oxoresolvin E1; major species at pH 7.3.


N-acetylanthranilate

An amidobenzoate consisting of anthranilate carrying an N-acetyl group.


arsonoacetic acid anion

A monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of arsonoacetic acid.


A carbohydrate acid anion that results from the deprotonation of the carboxylic acid group of beta-D-Delta(4)-GlcpA-(1->4)-beta-D-Glcp-(1->4)-alpha-L-Rhap-(1->3)-beta-D-Glcp. The major species at pH 7.3.


methoxymycolate type-3 (IX)

The conjugate base of methoxymycolic acid type-3 (IX). A class of mycolic acids characterized by the presence of a proximal cis C=C double bond and a distal (CH-CH3)-(CHO-CH3) fragment of (S,S) stereochemistry in the meromycolic chain.


A docosanoid anion obtained by deprotonation of the two carboxy groups and protonation of the glutamyl alpha-amino group of (13R)-S-cysteinylglycinyl-(14S)-hydroxy-(4Z,7Z,9E,11E,16Z,19Z)-docosahexaenoic acid; major species at pH 7.3.


p-aminohippurate

A hippurate that is the conjugate base of p-aminohippuric acid, arising from deprotonation of the carboxy group.


The hydroperoxy fatty acid anion that is the conjugate base of hydroperoxy fatty acid anion, formed by deprotonation of the carboxy group; principal microspecies at pH 7.3.


N-acyl-L-homoserinate

The L-stereoisomer of N-acylhomoserinate.


A polyunsaturated fatty acid anion resulting from the removal of a proton from the carboxy group of (2E,6E,10E)-geranylgeranic acid; major species at pH 7.3.


The conjugate base of trans-beta-D-glucosyl-2-hydroxycinnamic acid; major species at pH 7.3.


An octadecenoate that is the conjugate base of (13Z)-octadecenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An organophosphate oxoanion arising from deprotonation of carboxylic acid and phosphate functions of (R)-5-diphosphomevalonic acid.


The monocarboxylic acid anion formed by loss of a proton from the carboxy group of L-rhamnosyl-3-hydroxydecanoyl-3-hydroxydecanoic acid; principal microspecies at pH 7.3.


N-oleoyl-L-glutaminate

An N-acyl-L-alpha-amino acid anion resulting from the deprotonation of the carboxy group of N-oleoyl-L-glutamine. The major species at pH 7.3.


D-alpha-amino acid anion

Any alpha-amino acid anion in which the parent amino acid has D-configuration.


A dicarboxylic acid dianion arising from deprotonation of both carboxylic acid groups of (6S)-5-formyltetrahydrofolic acid.


N-propanoyl-L-methioninate

An N-(fatty acyl)-L-alpha-amino acid anion that is the conjugate base of N-propanoyl-L-methionine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


The monocarboxylic acid anion obtained by removal of a proton from the carboxylic acid group of (9Z,11R,12Z,15Z)-11-hydroperoxyoctadecatrienoic acid. Major microspecies at pH 7.3.


cis,cis-muconate

A muconate that is the conjugate base of (2Z,4Z)-5-carboxypenta-2,4-dienoate.


A monocarboxylic acid anion that is the conjugate base of flunixin, obtained by deprotonation of the carboxy group.


A docosanoid anion that is the conjugate base of (4Z,7Z,10Z,13Z,16Z)-20-hydroxydocosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Dianionic form of mugineic acid.


sulfonatoacetate

An organosulfonate oxoanion that is the dianion of sulfoacetic acid arising from deprotonation of carboxylic acid and sulfo groups.


name: omega-methyl-ultra-long-chain fatty acid anion


thiamine(1+) triphosphate(4-)

Trianion of thiamine(1+) diphosphate arising from deprotonation of the four OH groups of the triphosphate.


tetratriacontapentaenoate

A polyunsaturated fatty acid anion that is the conjugate base of tetratriacontapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A member of the class of naphthoates that is 1-naphthoate substituted at positions 2, 5 and 7 by hydroxy, methyl and methoxy groups respectively; major species at pH 7.3.


The (E)-isomer of glutaconate(2-).


An icosanoid anion that is the conjugate base of (5Z,9E,11Z,14Z,17Z)-8-hydroperoxyicosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3


A polyunsaturated fatty acid anion that is the conjugate base of 12-HPEPE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


etiocholanolone 3-glucuronide(1-)

A monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of etiocholanolone 3-glucuronide.


N-oleoyl-L-phenylalaninate

An N-acyl-L-alpha-amino acid anion resulting from the deprotonation of the carboxy group of N-oleoyl-L-phenylalanine. The major species at pH 7.3.


The conjugate base of 4-O-feruloyl-D-quinic acid; major species at pH 7.3.


The hydroxy monocarboxylic acid anion that is the conjugate base of 3-(imidazol-5-yl)lactic acid.


The carbohydrate acid derivative anion formed from beta-D-GlcA3S-(1->3)-beta-D-Gal-OC6H4-4-OMe by loss of two protons, one from each of its sulfo and carboxy groups.


phosphonatoenolpyruvate

An organophosphate oxoanion obtained by deprotonation of the carboxy and phosphate groups of phosphoenolpyruvic acid.


oxalurate

The conjugate base of oxaluric acid; major species at pH 7.3.


A hydroxy fatty acid anion obtained by deprotonation of the carboxy group of 9(S)-HODE; major species at pH 7.3.


trans,trans-muconate

A muconate that is the dianion obtained by the deprotonation of both the carboxy groups of trans,trans-muconic acid.


A carbohydrate acid derivative anion obtained by deprotonation of the carboxy and sulfo groups of 2-dehydro-3,6-dideoxy-6-sulfo-D-gluconnic acid; major species at pH 7.3.


resolvin T4(1-)

A docosanoid anion that is the conjugate base of resolvin T4, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A 2-isopropylmalate(2-) with S-configuration at the chiral centre.


A 2-hydroxyoctadecanoate that has R configuration. The conjugate base of (R)-2-hydroxyoctadecanoic acid.


An organic phosphoramidate anion obtained by deprotonation of the phosphoramidate and carboxy groups as well as protonation of the amino group of N(5)-phospho-L-glutamine; major species at pH 7.3.


mellitic acid hexaanion

The hexacarboxylate anion of mellitic acid.


prenylcysteinate

A sulfur-containing amino-acid anion which is a conjugate base of prenylcysteine.


A monounsaturated fatty acid anion resulting from the deprotonation of the carboxy group of (E)-hept-2-enoic acid. The major species at pH 7.3.


N-acylneuraminate

A sialic acid anion arising from deprotonation of the carboxy group of an N-acylneuraminic acid; major species at pH 7.3.


A dicarboxylic acid dianion that is obtained from dimethylmaleic acid by removal of a proton from each of the carboxylic acid groups.


A polyunsaturated fatty acid anion that is the conjugate base of (4Z,7Z,10Z,13Z,16Z)-docosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A steroid glucuronide anion that is the conjugate base of 17-epiestriol 3-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


The conjugate base of 2-oxosuccinamic acid; major species at pH 7.3.


Dicarboxylate anion of phycourobilin; major species at pH 7.3.


An organophosphate oxoanion obtained by deprotonation of the phosphate OH group of 2-aminobenzoyl-AMP; major microspecies at pH 7.3.


A dicarboxylic acid dianion arising from deprotonation of the carboxy groups of 4-carboxy-2-hydroxy-cis,cis-muconic acid 6-semialdehyde; major species at pH 7.3.


The conjugate base of cis-4-hydroxycyclohexane-1-carboxylic acid; major species at pH 7.3.


A 2-hydroxy fatty acid anion with a chain that is composed of 25 carbons and 1 double bond (position unspecified).


homoserinate

An alpha-amino-acid anion resulting from the removal of a proton from the carboxy group of homoserine.


A dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of 3,3'-azobis(6-hydroxybenzoic acid) (olsalazine).


omega-hydroxytetracosanoate

An omega-hydroxy fatty acid anion that is the conjugate base of omega-hydroxytetracosanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A hydroxy fatty acid anion that is the conjugate base of (9Z,12R)-12,18-dihydroxyoctadecenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A 2-oxo monocarboxylic acid anion that is the conjugate base of (4-bromophenylsulfanyl)pyruvic acid, arising from deprotonation of the carboxy group.


A hydroxy saturated fatty acid anion resulting from the deprotonation of the carboxy group of 10-hydroxyoctadecanoic acid.


monohydroxybenzoate

A hydroxybenzoate carrying a single hydroxy substituent at unspecified position.


vernolate

A monounsaturated fatty acid anion that is the conjugate base of vernolic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


all-trans-retinoate

A retinoate that is the conjugate base of all-trans-retinoic acid.


A hexatriacontatetraenoate that is the conjugate base of (21Z,24Z,27Z,30Z)-hexatriacontatetraenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


lipoxin B4(1-)

A hydroxy fatty acid anion obtained by the deprotonation of the carboxy group of lipoxin B4: major species at pH 7.3.


Trianion of (9S,10S)-10-hydroxy-9-(phosphonooxy)octadecanoic acid arising from deprotonation of carboxylic acid and phosphate functions.


A hydroxy polyunsaturated fatty acid anion that is the conjugate base of (4Z,7E,9E,11E,13Z,15E,17S,19Z)-7,8-epoxy-17-hydroxydocosahexaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A hydroxy fatty acid ascaroside anion that is the conjugate base of oscr#29, obtained by deprotonation of the carboxy group; major species at pH 7.3.


The anion of 2-oxononanoic acid.


An EpETE(1-) that is the conjugate base of (5Z,8R,9Z,11Z,14Z)-8,9-epoxyicosatetraenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Dicarboxylate anion of (1R,6R)-2-succinyl-6-hydroxycyclohexa-2,4-diene-1-carboxylic acid.


A hydroxy monocarboxylic acid anion that is the conjugate base of Delta(9)-tetrahydrocannabinolic acid, obtained by deprotonation of the carboxy group.


name: magnesium protoporphyrin 13-monomethyl ester(1-)

description: The conjugate base of magnesium protoporphyrin 13-monomethyl ester, formed by deprotonation of the carboxyethyl group at C-17. It is the principal species at pH 7.3.


Tetraanion of UDP-N-acetyl-D-galactosamine 4,6-bissulfate arising from deprotonation of diphosphate and sulfate groups; major species at pH 7.3.


A steroid glucuronide anion that is the conjugate base of 4-hydroxy-17beta-estradiol 3-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


A hydroxy fatty acid anion that is the conjugate base of (14Z,17Z,20Z,23Z,26Z)-2-hydroxydotriacontapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


saturated fatty acid anion

Any fatty acid anion in which there is no C-C unsaturation.


A doubly-charged sulfonatobenzoate consisting of benzoate having a sufonato group at the 4-position.


A dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of any 2-(omega-methylthio)alkylmalic acid; major species at pH 7.3.


rebaudioside B(1-)

A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of rebaudioside B. The major species at pH 7.3.


A hydroxy fatty acid anion that is the conjugate base of 2-(hydroxymethyl)butanoic acid.


Trianion of 6-phospho-5-dehydro-2-deoxy-D-gluconic acid arising from deprotonation of the carboxy and phosphate groups; major species at pH 7.3.


eoxin A4(1-)

A polyunsaturated fatty acid anion that is the conjugate base of eoxin A4, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An aminobenzoate that results from the removal of a proton from the carboxylic acid group of 3-methoxyanthranilic acid.


A steroid glucuronide anion that is the conjugate base of 17beta-estradiol 3-O-(3-sulfo-beta-D-glucuronide) arising from deprotonation of the carboxylic and sulfate groups; major species at pH 7.3.


A 2-oxo monocarboxylic acid anion that is the conjugate base of (S)-3-hydroxy-2-oxo-3-phenylpropanoic acid, obtained by deprotonation of the carboxy group.


A docosanoid anion that is the conjugate base of 7,17-dihydroxy-(8Z,15E,19Z)-docosa-8,10,13,15,19-pentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


cuevaene A(1-)

A monocarboxylic acid anion that is the conjugate base of cuevaene A, obtained by deprotonation of the carboxy group.


A hydroxy fatty acid anion that is the conjugate base of 26-hydroxyhexacosanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A hydroxy fatty acid ascaroside anion that is the conjugate base of oscr#30, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A docosanoid anion that is the conjugate base of 7,8-epoxy,17-hydroxy-(9E,11E,13Z,15E,19Z)-docosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


N-hexacosanoylglycinate

An N-acylglycinate that is the conjugate base of N-hexacosanoylglycine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A dicarboxylic acid monoanion that is the conjugate base of cis,cis-muconic acid.


A monocarboxylic acid anion that is the conjugate base of N-acetyl-1-methyl-L-histidine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


lynenic acid anion

A docosatetraenoate that is the conjugate base of lynenic acid resulting from the deprotonation of the carboxy group; Major species at pH 7.3.


A dicarboxylic acid dianion that results from the removal of a proton from both of the carboxylic acid groups of 3-hydroxy-3-methylglutaric acid.


Conjugate base of 2-aminobut-2-enoic acid.


dodecenoate

A medium-chain fatty acid anion that is the conjugate base of dodecenoic acid.


name: primary fluorescent chlorophyll catabolite(1-)

description: A monocarboxylic acid anion that is the conjugate base of  primary fluorescent chlorophyll catabolite resulting from the deprotonation of the carboxy group. Major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


A 1-alkyl-2-acyl-sn-glycero-3-phosphate(2-) obtained by deprotonation of the phosphate OH groups of 1-palmityl-2-arachidonoyl-sn-glycero-3-phosphate; major species at pH 7.3.


An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy group of IV3NeuAc-nLc4Cer; major species at pH 7.3.


(S)-dihydrocamalexate

A monocarboxylic acid anion that is the conjugate base of (S)-dihydrocamalexic acid, obtained by deprotonation of the carboxy group.


A docosanoid anion obtained by deprotonation of the three carboxy groups and protonation of the glutamyl alpha-amino group of  (13R)-S-glutathionyl-(14S)-hydroxy-(4Z,7Z,9E,11E,16Z,19Z)-docosahexaenoic acid; major species at pH 7.3.


trichloroacetate

A monocarboxylic acid anion that results from the removal of a proton from the carboxylic acid group of trichloroacetic acid.


An alpha-amino-acid anion that is the conjugate base of 2-amino-5-oxohexanoic acid.


hydroxy fatty acid anion 20:0

Any hydroxy saturated fatty acid anion containing 20 carbons.


A 4-oxo monocarboxylic acid anion that is the conjugate base of [(R)-2,2,3-trimethyl-5-oxocyclopent-3-enyl]acetic acid, arising from deprotonation of the carboxy group; major species at pH 7.3.


A polyunsaturated fatty acid anion that is the conjugate base of 14(S)-HPDHE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A monocarboxylic acid anion resulting from the removal of a proton from the carboxylic acid group of 7-carboxy-7-deazaguanine. The major form of 7-carboxy-7-deazaguanine at pH 7.3.


An icosanoid anion obtained by the deprotonation of the carboxy group of any epoxyicosatrienoic acid.


A butenoate having the double bond at the 3-position.


A monocarboxylic acid anion that is conjugate base of ascr#9 resulting from the deprotonation of the carboxy group; Major species at pH 7.3.


L-lysinate

An optically active form of lysinate having L-configuration.


A hydroperoxyicosatrienoate that is the conjugate base of (8R,9E,11Z,14Z)-8-hydroperoxyicosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


coenzyme gamma-F420-2(4-)

The tetra-anion obtained by removing protons from the phosphate and carboxylic acid groups of coenzyme gamma-F420-2.


N-(fatty acyl)-L-tryptophan(1-)

an N-acyl-L-tryptophan where the fatty acyl chain is not specified, major species at pH 7.3.


A steroid glucuronide anion that is the conjugate base of dehydroepiandrosterone 3-O-(3-sulfo-beta-D-glucuronide) arising from deprotonation of the carboxylic and sulfate groups; major species at pH 7.3.


An L-alpha-amino acid anion resulting from deprotonation of the carboxy groups and protonation of the amino group of 4-hydroxy-L-glutamic acid


A 2-hydroxy fatty acid anion that is the conjugate base of  2-hydroxypalmitoleic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An hepoxilin anion that is the conjugate base of 11(S)-hydroxy-14(S),15(S)-hepoxilin A3, arising from deprotonation of the carboxylic acid group; major species at pH 7.3.


Trianion of 4-phospho-D-erythronic acid arising from deprotonation of phosphate and carboxylic acid functions.


The conjugate base of but-2-enoic acid.


methyl red(1-)

A benzoate that is the conjugate base of methyl red, obtained by deprotonation of the carboxy group.


glutaramate

A monocarboxylic acid anion that is obtained by removal of a proton from the carboxylic acid group of glutaramic acid.


A doubly-charged N-acyl-D-alpha-amino acid anion resulting from removal of protons from both carboxy groups of any N-acyl-D-glutamic acid.


An epoxy(hydroxy)icosatrienoate that is the conjugate base of (10R)-hydroxy-(11S,12S)-epoxyicosa-(5Z,8Z,14Z)-trienoic acid, obtained by deprotonation of the carboxy group.


behenate

A straight-chain saturated fatty acid anion that is the conjugate base of behenic acid, arising from deprotonation of the carboxylic acid group.


A C80 alpha-mycolate having a C54 meromycolic chain with two cis cyclopropyl functions and a saturated C26 alpha-branch. It is produced by Mycobacterium tuberculosis H37Ra.


An aminobenzoate that is the conjugate base of 3-amino-2,4-dihydroxybenzoic acid arising from the deprotonation of the carboxy group; major species at pH 7.3.


A hydroxy fatty acid ascaroside anion resulting from the deprotonation of the carboxy group of oscr#38. The conjugate base of oscr#38 and the major species at pH 7.3.


lamellarin alpha 20-sulfate(1-)

An organosulfate oxoanion that is the conjugate base of lamellarin alpha 20-hydrogen sulfate.


Conjugate base of (3S)-3-hydroxy-L-aspartic acid.


A tricarboxylic acid trianion that is the  conjugate base of 2-methylcitric acid.


D-galactonate

A galactonate compound having D-configuration.


A omega-hydroxy-long-chain fatty acid anion that is the conjugate base of 14-hydroxymyristic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


succinamate

A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of succinamic acid; major species at pH 7.3.


An anionic ganglioside that is the conjugate base of alpha-Neu5Ac-(2->3)-[beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer(d20:1) arising from deprotonation of the neuraminosyl carboxy group; major species at pH 7.3.


A (2R)-2-hydroxy fatty acid anion that is the conjugate base of (2R)-2-hydroxytetradecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A hydroxy monocarboxylic acid anion that is the conjugate base of (S)-2-hydroxybutyric acid, obtained by decarboxylation of the carboxy group.


A 18-HETE(1-) that is the conjugate base of 18(R)-HETE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Conjugate base of thiosalicylic acid.


A steroid acid anion that is the conjugate base of 9alpha-hydroxy-3-oxo-23,24-bisnorchola-1,4-dien-22-oic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


lipoxin anion

An unsaturated fatty acid anion obtained by the deprotonation of the carboxy group of any lipoxin.


A member of the class of naphthoates that is 1-naphthoate substituted at position 5 by a methyl group; major species at pH 7.3.


An indol-3-yl carboxylic acid anion that is the conjugate base of indole-3-acetic acid.


pentalenolactone F(1-)

A monocarboxylic acid anion that is the conjugate base of pentalenolactone F, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An hydroxy saturated fatty acid anion that is the conjugate base of 5-hydroxydecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A (2R)-2-hydroxy monocarboxylic acid anion that is the conjugate base of (2R)-3-(3,4-dihydroxyphenyl)lactic acid, obtained by deprotonation of the carboxy group.


An oxo fatty acid anion that is the conjugate base of 22-ketodocosanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A 13-HODE(1-) that is the conjugate base of 13(R)-HODE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A dimethylbenzoate in which the two methyl groups are located at positions 2 and 5.


17beta-estradiol 3-sulfate(1-)

A steroid sulfate oxoanion obtained by deprotonation of the sulfo group of 17beta-estradiol 3-sulfate; major species at pH 7.3.


A ganglioside GM1/1b(1-) obtained by deprotonation of the neuraminosyl carboxy group of alpha-N-acetylneuraminosyl-(2->3)-beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-(1->4)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-ceramide; major species at pH 7.3.


An alpha-amino-acid anion that is the conjugate base of L-glutamic acid, having anionic carboxy groups and a cationic amino group


bromosuccinate

A dicarboxylic acid dianion obtained by deprotonation of the two carboxy goups of bromosuccinic acid.


eugenol sulfate(1-)

A phenyl sulfate oxoanion that is the conjugate base of eugenol sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3.


homocysteinate

An alpha-amino acid anion that is the conjugate base of homocysteine, obtained by deprotonation of the carboxy group.


An S-substituted N-acetyl-L-cysteinate that is the conjugate base of N-acetyl-S-methyl-L-cysteine resulting from the deprotonation of the carboxy group; major species at pH 7.3.


A isocitrate(3-) that is the conjugate base of D-erythro-isocitric acid.


A hydroxy monocarboxylic acid anion that is the conjugate base of 2-hydroxyibuprofen, obtained by deprotonation of the carboxy group; major species at pH 7.3.


N-formylmaleamate

The conjugate base of N-formylmaleamic acid arising from deprotonation of the carboxy group.


The conjugate base of 3,5-dichlorohydroxybenzoic acid. Comprising a 3,5-dihydroxybenzoic acid core with the carboxylic acid proton missing, giving a charge of -1.


The 2-oxo monocarboxylic acid anion derived from 4-methylthio-2-oxobutanoic acid. The major microspecies at pH 7.3, it is formed from L-methionine via the action of methionine transaminase.


An N-acyl-L-alpha-amino acid anion arising from deprotonation of the carboxy and phosphate OH groups of N-acetyl-L-2-aminoadipic acid 6-phosphate; major species at pH 7.3.


A 5alpha-androstan-3beta,17alpha-diol disulfate anion obtained by deprotonation of both sulfo groups of 5alpha-androstan-3beta,17beta-diol disulfate.


A polyunsaturated fatty acid anion that is the conjugate base of (10Z,13Z,16Z,19Z,22Z,25Z)-octacosahexaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A steroid acid anion that is the conjugate base of Delta(4)-dafachronic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


octacosanoate

A straight-chain saturated fatty acid anion and the conjugate base of octacosanoic acid (montanic acid), arising from deprotonation of the carboxy group.


malate

A dicarboxylic acid anion obtained by deprotonation of at least one of the carboxy groups of malic acid.


A 9,10-dihydroxystearate in which the chiral carbon atoms at positions 9 and 10 have the R-configuration


A polyunsaturated fatty acid anion that is the conjugate base of 12(S)-HPE(5,8,10)TrE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Trianion of UDP-N-acetyl-alpha-D-muramoyl-L-alanyl-D-gamma-glutamyl-L-lysine; major species at pH 7.3.


An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy groups of alpha-N-acetylneuraminyl-(2->8)-alpha-N-acetylneuraminyl-(2->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1)-ceramide; major species at pH 7.3.


A cholanic acid anion, that is the conjugate base of 1beta-hydroxydeoxycholic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An organophosphate oxoanion obtained by deprotonation of the carboxy and phosphate OH groups of (R)-3-phosphomevalonic acid; major species at pH 7.3.


A monohydroxybenzoate that is obtained by removal of a proton from the carboxylic acid group of 5-nitrosalicylic acid.


An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy group of alpha-L-Fuc-(1->2)-beta-D-Gal-(1->3)-beta-D-GlcNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-Cer; major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base 3-nitroacrylic acid, formed by deprotonation of the carboxy group; major species at pH 7.3.


elaidate

A long-chain fatty acid anion that is the conjugate base of elaidic acid; shown to exert detrimental effects on mitochondrial lipid composition and function.


prednisolone succinate(1-)

A dicarboxylic acid monoester(1-) that is the conjugate base of prednisolone succinate resulting from the deprotonation of the carboxy group. Major microspecies at pH 7.3.


cimicifugate D

Conjugate base of cimicifugic acid D; major microspecies at pH 7.3.


A methyl glycoside that is beta-D-Gal-(1->4)-[beta-D-Gal-(1->4)-beta-D-Glc-(1->6)]-beta-D-GlcNAc in which the CH2OH of the galactose within the trisaccharide chain is replaced by anionic carboxylate and the hydroxy group at the reducing-end anomeric centre is methylated.


fatty acid anion 22:0

Any saturated fatty acid anion containing 22 carbons. Formed by deprotonation of the carboxylic acid moiety. Major species at pH 7.3.


fructosyllysinate

The glyco-amino-acid anion formed by loss of a proton from the carboxy group of fructosyllysine.


Major species at pH 7.3.


An iodobenzoate with a single iodo substituent placed at the 2-position.


An oxo dicarboxylic acid dianion resulting from the deprotonation of the two carboxy groups of 2-chloro-3-oxoadipic acid. Major species at pH 7.3.


oxylipin anion

A carboxylic acid anion that is the conjugate base of an oxylipin (any member of the group of bioactive lipids made by oxidation of polyunsaturated fatty acids).


An acyl-CoA oxoanion arising from deprotonation of the phosphate, diphosphate and carboxy groups of (2R)-ethylmalonyl-CoA; major species at pH 7.3.


sapienate

A long-chain unsaturated fatty acid anion that is the conjugate base of sapienic acid, obtained by deprotonation of the carboxy group.


A monocarboxylic acid anion that is the conjugate base of yersiniabactin, obtained from the deprotonation of the carboxy group. It is the major species at pH 7.3.


dihydroartemisinate

A monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of dihydroartemisinic acid. The major species at pH 7.3.


A tetracosapentaenoate that is the conjugate base of (9Z,12Z,15Z,18Z,21Z)-tetracosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


gibberellin A12 aldehyde(1-)

Conjugate base of gibberellin A12 aldehyde.


An omega-hydroxy-long-chain fatty acid anion that is the conjugate base of 18-hydroxyoctadecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


erythronate

A hydroxy monocarboxylic acid anion obtained by deprotonation of the carboxy group of any erythronic acid; major species at pH 7.3.


pyrroloquinoline quinol(3-)

Trianionic form of pyrroloquinoline quinol arising from deprotonation of the three carboxy groups.


N-linoleoyl-L-alaninate

An N-acyl-L-alpha-amino acid anion that is the conjugate base of N-linoleoyl-L-alanine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


prostaglandin carboxylic acid anion

A prostanoid anion obtained by deprotonation of the carboxy group of any prostaglandin.


A hydroxy fatty acid anion that is the conjugate base of (9E)-12-hydroxyoctadec-9-enoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A quinate that is the conjugate base of 1,3-dicaffeoylquinic acid.


The conjugate base of L-saccharopine arising from deprotonation of all three carboxy groups and protonation of the primary and secondary amino groups; major species at pH 7.3.


A docosanoid anion obtained by deprotonation of the three carboxy groups and protonation of the glutamyl alpha-amino group of 16(S)-glutathionyl,17(R)-hydroxy-(4Z,7Z,10,12,14,19Z)-docosahexaenoic acid; major species at pH 7.3.


N-linoleoyl-gamma-aminobutyrate

A monocarboxylic acid anion that is the conjugate base of N-linoleoyl-gamma-aminobutyric acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An N-acyl-L-alpha-amino acid anion that is the conjugate base of N-[(15S)-hydroperoxy-(5Z,8Z,11Z,13E)-icosatetraenoyl]alanine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A dicarboxylic acid dianion obtained by deprotonation of the carboxy groups of N-(indole-3-acetyl)glutamic acid.


The dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of citraconic acid.


A hydroperoxyicosapentaenoate that is the conjugate base of (5S)-HpEPE, arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


decyl sulfate

An organosulfate oxoanion that is the conjugate base of decyl hydrogen sulfate. Isolated from Daphnia pulex, it induces morphological changes of phytoplankton Scenedesmus gutwinskii.


A benzoate resulting from the removal of a proton from the carboxylic acid group of 4-(beta-D-glucosyloxy)benzoic acid.


A 14,15-EET(1-) that is the conjugate base of (14R,15S)-EET, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A tricarboxylic acid trianion that is the conjugate base of 5-hydroxypenta-2,4-diene-1,2,5-tricarboxylic acid.


The dianion obtained by removal of two protons from the phosphate group of D-glycero-D-manno-heptose 7-phosphate.


Major species at pH 7.3


A hydroxybenzoate that is the conjugate base of 3-hydroxyanthranilic acid.


An optically active form of malate having (S)-configuration.


An organosulfate oxoanion that is a trianion arising from deprotonation of the O-sulfo, N-sulfo and carboxy groups of 3-D-glucuronosyl-N(2),6-disulfo-beta-D-glucosamine; major species at pH 7.3.


An oxo dicarboxylate obtained by deprotonation of both carboxy groups of 4-hydroxy-2-oxoglutaric acid.


Dianion of (2E)-2-(methoxycarbonylmethyl)but-2-enedioic acid arising from deprotonation of both carboxylic acid functions.


Tricarboxylate anion of but-1-ene-1,2,4-tricarboxylic acid; major species at pH 7.3.


A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of (9Z)-18-hydroxyoctadec-9-enoic acid 18-O-beta-D-glucoside.


phytanate

A branched-chain saturated fatty acid anion that is the conjugate base of phytanic acid, arising from deprotonation of the carboxylic acid group.


A steroid acid anion that is the conjugate base of 3beta-hydroxy-4beta-methyl-5alpha-cholest-8-ene-4alpha-carboxylic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


20-hydroxy-leukotriene E4(1-)

Conjugate base of 20-hydroxy-leukotriene E4.


protodeoxyviolaceinate

A monocarboxylic acid anion that is the conjugate base of protodeoxyviolaceinic acid, resulting from the removal of the proton from the carboxy group. Major structure at pH 7.3.


A dicarboxylic acid dianion obtained by the deprotonation of both the carboxy groups of pimelic acid.


hydroxy fatty acid anion 22:0

Any hydroxy saturated fatty acid anion containing 22 carbons.


Conjugate base of imidazol-4-ylacetic acid; major species at pH 7.3.


A cephalosporin carboxylic acid anion having a 7beta-[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino side-chain, formed by proton loss from the carboxy group of the cephalosporin cefadroxil.


A hydroperoxydocosapentaenoate that is the conjugate base of (8E,10Z,13Z,15E,19Z)-7,17-bis(hydroperoxy)docosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


pyridoxine 5'-phosphate(2-)

Dianion of pyridoxine 5'-phosphate.


oxodocosahexaenoate

An oxo fatty acid anion obtained by deproitonation of any oxo-DoHE; major species at pH 7.3.


A dicarboxylic acid dianion resulting from the removal of a proton from both of the carboxylic acid groups of 2-isopropylmalic acid.


aldehydo-D-glucuronate

A D-glucuronate resulting from the deprotonation of the carboxy group of aldehydo-D-glucuronic acid; the major species at pH 7.3.


An anionic ganglioside arising from deprotonation of the neuraminosyl carboxy groups of a ganglioside GQ1c with undefined sphingoid base and fatty acyl chain; major species at pH 7.3.


An organophosphate oxoanion obtained by deprotonation of the carboxy and phosphate OH groups of pyridinium-3,5-biscarboxylic acid mononucleotide; major species at pH 7.3.


5alpha-dihydrotestosterone sulfate(1-)

A steroid sulfate oxoanion that is the conjugate base of 5alpha-dihydrotestosterone sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3.


N-palmitoyl-L-alaninate

An N-acyl-L-alpha-amino acid anion that is the conjugate base of N-palmitoyl-L-alanine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An oxidized N-acyl-gamma-aminobutyric acid obtained by deprotonation of the carboxy group; major species at pH 7.3.


dioxo monocarboxylic acid anion

An oxo monocarboxylic acid anion that is the conjugate base of dioxo monocarboxylic acid.


icosatrienoate

An unsaturated fatty acid anion that is the conjugate base of icosatrienoic acid arising from deprotonation of the carboxy group. Major species at pH 7.3.


Dianion of stipitatic acid arising from deprotonation of the carboxylic acid and 6-hydroxy groups.


A steroid glucuronide anion that is the conjugate base of lithocholic acid 24-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


A 4-O-beta-D-glucosyl-4-coumarate in which the double bond has trans-configuration.


A monohydroxybenzoate that is the conjugate base of 3-amino-5-hydroxybenzoic acid, obtained by deprotonation of the carboxy group.


An N-acyl-(3-O-sulfo-D-galactosyl)sphingosine(1-) in which the ceramide N-acyl group is composed of 22 carbons, 1 double bond and a hydroxy group at C2.


2-hydroxynervonic acid

A 2-hydroxy fatty acid that is the 2-hydroxy derivative of nervonic acid.


A monocarboxylic acid anion that is the conjugate base of 5-[(9Z)-hexadecenoyloxy]octadecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A hydroxydocosahexaenoate that is the conjugate base of (4Z,7Z,10Z,13Z,15E,19Z)-17-hydroxydocosahexaenoic acid, arising from deprotonation of the carboxy group; major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of (1R)-1,4,5,10-tetrahydrophenazine-1-carboxylic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A hexacosapentaenoate that is the conjugate base of (11Z,14Z,17Z,20Z,23Z)-hexacosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A medium-chain, unsaturated, straight-chain fatty acid anion and the conjugate base of  dec-9-enoic acid (caproleic acid), arising from deprotonation of the carboxylic acid group.


leukotriene C4(2-)

The leukotriene anion that is the dianion of leukotriene C4 arising from deprotonation of the three carboxy groups and protonation of the glutamyl alpha-amino group.


A retinoid anion that is the conjugate base of all-trans-4-oxo-16-hydroxyretinoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A hydroxydocosahexaenoate that is the conjugate base of (4Z,8E,10Z,13Z,16Z,19Z)-7-hydroxydocosahexaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A 3-carboxy-2,3-dihydroxypropanoate that is the conjugate base of tartaric acid.


isovalerate

A branched-chain saturated fatty acid anion that is the conjugate base of isovaleric acid; reported to improve ruminal fermentation and feed digestion in cattle.


name: heparan sulfate alpha-D-glucosaminide polyanion

description: A carbohydrate acid derivative anion arising from deprotonation of the carboxylic acid and sulfate groups of the repeating units and protonation of the free amino group on the glucosamine of heparan sulfate alpha-D-glucosaminide; major species at pH 7.3.


A dicarboxylic acid anion obtained by deprotonation of the two carboxy and one of the phosphonate OH groups of (R)-2-(phosphonomethyl)malic acid. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


An organic sulfamate oxoanion that is the conjugate base of (3Z,6Z)-dodeca-3,6-dien-1-ylsulfamic acid. It has been isolated from Daphnia pulex and has been shown to cause morphological changes in the green alga Scenedesmus gutwinskii.


A monocarboxylic acid anion that is the conjugate base of 9-[(10Z)-heptadecenoyloxy]-octadecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A monounsaturated fatty acid anion that is the conjugate base of 9,10-DiHOME, obtained by deprotonation of the carboxy group; major species at pH 7.3.


The conjugate base of 2-methyl-3-oxopropanoic acid; major species at pH 7.3.


A polyunsaturated fatty acid anion resulting from the removal of a proton from the carboxy group of (2E,6E,10E,14E)-omega-hydroxygeranylgeranic acid; major species at pH 7.3.


dicarboxylic acid monoester(1-)

A carboxylic acid anion resulting from the deprotonation of the carboxy group of a dicarboxylic acid monoester.


Conjugate base of 2-amino-2-deoxyisochorismic acid.


An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy groups of ganglioside GP1c; major species at pH 7.3.


holothurin A4(1-)

A organosulfate oxoanion obtained by the deprotonation of the sulfo group of holothurin A4 acid.


An organophosphate oxoanion arising from deprotonation of the carboxy and phosphate OH groups of 3-phospho-D-glyceric acid; major species at pH 7.3.


pregnenolone sulfate(1-)

A steroid sulfate oxoanion that is the conjugate base of pregnenolone sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3.


A 2-oxo monocarboxylic acid anion that is the conjugate base of 3-methyl-2-oxovaleric acid, arising from deprotonation of the carboxy group; major species at pH 7.3.


An organophosphate oxoanion resulting from the removal of a total of three protons from the phosphate and carboxy groups of 1-(2-carboxyphenylamino)-1-deoxy-D-ribulose 5-phosphate.


A retinoid anion that is the conjugate base of 9-cis-4-hydroxyretinoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A 3,4-dihydroxy-5-polyprenylbenzoate in which the polyprenyl chain contains 8 prenyl units; major species at pH 7.3.


2-hydroxy fatty acid anion 26:0

A hydroxy fatty acid anion 26:0 in which the hydroxy substituent is located at position 2.


oxo fatty acid anion

A fatty acid anion carrying one or more oxo substituents


hydroxy saturated fatty acid anion

Any saturated fatty acid anion carrying one or more hydroxy substituents.


texas red DHPE(1-)

An anionic fluorescent dye consisting of an organic heteroheptacyclic moiety conjugated to a phosphatidylethanolamine group via a sulphonamide bond.


penicillinate anion

Any anion formed by loss of a proton from the carboxy group of a penicillin.


6-oxoprostaglandin F1alpha(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of 6-oxoprostaglandin F1alpha, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A precorrin carboxylic acid anion that is the tetraanionic form of hydrogenobyrinic acid. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


Conjugate base of 3,5,3'-triiodothyropyruvic acid.


Trianion of 3-ADP-glyceric acid arising from deprotonation of phosphate and carboxy groups; major species at pH 7.3.


A hydroxy monocarboxylic acid anion that is the conjugate base of 3,4-dihydroxymandelic acid.


methylcarbamate

The conjugate base of methylcarbamic acid; major microspecies at pH 7.3.


The trianion obtained by removal of protons from the carboxylic acid and phosphate groups of L-lactyl-2-diphospho-5'-guanosine.


N-(cyanomethyl)glycinate

An alpha-amino-acid anion that is the conjugate base of N-(cyanomethyl)glycine, obtained by deprotonation of the carboxy group.


A steroid sulfate oxoanion obtained by deprotonation of the sulfo group of 17alpha-hydroxypregnenolone 3-sulfate.


clorazepic acid anion

The anion resulting from the removal of a proton from the carboxylic acid group of clorazepic acid.


A dicarboxylic acid dianion obtained by deprotonation of the carboxy groups of (3E)-phycoerythrobilin; major species at pH 7.3.


A precorrin carboxylic acid anion obtained by deprotonation of the carboxy groups of cobalt-precorrin-5A; major species at pH 7.3.


A methoxybenzoate that it is obtained by removal of a proton from the carboxylic acid group of N-benzoyl-4-methoxyanthranilate.


A polyunsaturated fatty acid anion that is the conjugate base of (13R)-hydroxy-(7Z,10Z,14E,16Z,19Z)-docosapentaenoic acid, arising from deprotonation of the carboxylic acid group; major species at pH 7.3. It is an intermediate in 13-series resolvins biosynthesis from DPA (omega-3).


precorrin carboxylic acid anion

A carboxylic acid anion arising from deprotonation of one or more of the carboxyl groups in any precorrin derivative.


An alpha-amino-acid anion that is the conjugate base of O-succinyl-L-serine having anionic carboxy groups and a protonated amino group; major species at pH 7.3.


N-acetyl-alpha-neuraminate

A monocarboxylic acid anion that is the conjugate base of N-acetyl-alpha-neuraminic acid.


An  aromatic amino-acid anion that is the conjugate base of 4-aminobenzoic acid.


2-hydroxy fatty acid anion 28:0

A hydroxy fatty acid anion 28:0 in which the hydroxy substituent is located at position 2.


Trianion of [1-(5-phosphoribosyl)imidazol-4-yl]acetic acid arising from deprotonation of the carboxy and phosphate groups; major species at pH 7.3.


An N-acyl-L-alpha-amino acid anion resulting from deprotonation of both carboxy groups and protonation of the amide nitrogen of N-acetyl-L-glutamic acid.


thiamine(1+) diphosphate(3-)

Dianion of thiamine(1+) diphosphate arising from deprotonation of the three OH groups of the diphosphate.


omega-hydroxytriacontanoate

A hydroxy fatty acid anion that is the conjugate base of omega-hydroxytriacontanoic acid, obtained by deprotonation of the carboxy group.


Dicarboxylate anion of 6-(2-amino-2-carboxyethyl)-7,8-dioxo-1,2,3,4,7,8-hexahydroquinoline-2,4-dicarboxylic acid.


A 6-oxo monocarboxylic acid anion that is the conjugate base of 2-hydroxy-6-(2-hydroxyphenyl)-6-oxo-cis,cis-hexa-2,4-dienoic acid.


cannabinerolate

A dihydroxybenzoate that is the conjugate base of cannabinerolic acid, obtained by deprotonation of the carboxy group.


A jasmonate anion resulting from the removal of a proton from the carboxy group of (+)-7-isojasmonic acid. The major species at pH 7.3.


5beta-scymnol sulfate(1-)

Conjugate base of 5beta-scymnol sulfate.


A monocarboxylic acid anion that is the conjugate base of 9-[(9Z)-octadecenoyloxy]octadecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


ganglioside GM1(1-)

A carbohydrate acid derivative anion obtained by deprotonation of the carboxy group of GM1 ganglioside.


N-acetyl-D-glutaminate

The conjugate base of N(2)-acetyl-D-glutamine; major species at pH 7.3.


taurolithocholic acid sulfate(2-)

A steroid sulfate oxoanion arising from deprotonation of both sulfo groups of taurolithocholic acid sulfate; major species at pH 7.3.


An oxo monocarboxylic acid anion that is the conjugate base of all-trans-4-oxoretinoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


hydrogenobyrinic acid a,c-diamide(4-)

Tetraanion of hydrogenobyrinic acid a,c-diamide


A hydroxy fatty acid ascaroside anion that is the conjugate base of oscr#19, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A dicarboxylic acid monoanion that is the conjugate base of 4-hydroxy-2-oxoglutaric acid resulting from partial deprotonation.


(4Z,15Z)-mesobilirubin IXalpha(2-)

Major species at pH 7.3


Major species at pH 7.3.


A 2-formylglutarate(2-) that has S-configuration.


chondroitin sulfate E anion

A polysaccharide acid oxoanion arising from global deprotonation of the carboxylic and sulfonic acid groups of the repeating units in chondroitin sulfate E; major species at pH 7.3.


N-cinnamoylglycinate

A monocarboxylic acid anion that is the conjugate base of N-cinnamoylglycine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An unsaturated fatty acid anion that is the conjugate base of (17Z)-hexacosenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A hydroxy fatty acid anion that is the conjugate base of 10-hydroxypalmitic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


umbelliferone sulfate(1-)

An organosulfate oxoanion that is the conjugate base of umbelliferone sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3.


An epoxy(hydroxy)icosatrienoate that is the conjugate base of 8,9-epoxy-20-hydroxy-(5Z,11Z,14Z)-icosatrienoic acid arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


A hydroxy fatty acid ascaroside anion that is the conjugate base of oscr#17, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An N-acetylneuraminate obtained by deprotonation of the carboxy group of any N-acetyl-alpha-neuraminyl-(2->6)-beta-D-galactoside


The conjugate base of 2-acetyllactic acid; major species at pH 7.3.


A hydroperoxydocosapentaenoate that is the conjugate base of (4Z,7Z,10Z,12E,16Z)-14-hydroperoxydocosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A cephalosporin carboxylate anion having (R)-mandelamido and N-methylthiotetrazole side-groups.


A hydroxy polyunsaturated fatty acid anion that is the conjugate base of 13-HDoHE arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


L-methioninate

The L-enantiomer of  methioninate.


A dicarboxylic acid dianion obtained by deprotonation of the carboxy groups of 2-hydroxyhepta-2,4-diene-1,7-dioic acid; major species at pH 7.3.


A polyanionic polymer obtained by deprotonation of the carboxy groups of [(1->2)-alpha-L-rhamnosyl-(1->4)-alpha-D-galacturonosyl]n; major species at pH 7.3.


An N-acyl-L-alpha-amino acid anion arising from deprotonation of both carboxy groups of N-acetyl-L-2-aminoadipic acid; major species at pH 7.3.


A monocarboxylic acid anion that is the  conjugate base of 2-ethylacrylic acid.


phosphoglycerate

A glycerate in which at least one of the hydroxy groups has been phosphorylated.


heparin disaccharide I-S(4-)

A monocarboxylic acid anion obtained by deprotonation of the carboxy group, both sulfate groups and sulfamic acid group of HP_dp02_0009.


tartrate

A dicarboxylic acid anion obtained by deprotonation of at least one of the carboxy groups of any tartaric acid.


A peptide anion obtained by deprotonation of the carboxy groups of N-(4-oxoglutaryl)-L-cysteinylglycine; major species at pH 7.3.


A ganglioside GQ1(4-) obtained by deprotonation of the neuraminosyl carboxy groups of any alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)-beta-Gal-(1->3)-beta-GalNAc-(1->4)-[alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)]-beta-Gal-(1->4)-beta-Glc-(1<->1')-Cer; major species at pH 7.3.


heptacosanoate

A very long-chain fatty acid anion that is the conjugate base of heptacosanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


The carbohydrate acid derivative anion formed from (allyl 7-azido-3,7-dideoxy-beta-L-gulo-oct-2-ulopyranosid)onic acid by proton loss from the carboxy group.


A steroid glucuronide anion that is the conjugate base of 17-epiestriol 16-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


Conjugate base of S-acylglutathionate having anionic carboxy groups and a protonated amino group; major species at pH 7.3.


An octadecadienoate that is the conjugate base of (5Z,8Z)-octadecadienoic acid, resulting from the deprotonation of the carboxy group; Major species at pH 7.3.


O-methylsalicylate

Conjugate base of O-methylsalicylic acid.


A 4-hydroxy-3-polyprenylbenzoate in which the polyprenyl chain contains 10 prenyl units; major species at pH 7.3.


An octadecadienoate obtained by deprotonation of the carboxy group of (6Z,9Z)-octadecadienoic acid; major species at pH 7.3.


folates

An N-acyl-L-alpha-amino acid anion obtained by deprotonation of any folic acid.


epiandrosterone sulfate(1-)

A steroid sulfate oxoanion that is the conjugate base of epiandrosterone sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3.


An all-trans-4-hydroxyretinoate that is the conjugate base of (S)-all-trans-4-hydroxyretinoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy groups of fucosyl GD1b; major species at pH 7.3.


A dicarboxylic acid dianion derived from 4,4'-diapolycopen-4,4'-dioic acid. Major structure at pH 7.3,


A dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of 4-amino-4-deoxychorismic acid.


The anion formed by deprotonating fosinopril at the carboxyl proton.


A oxo fatty acid anion that is the conjugate base of 12-oxo-ETE, obtained by deprotonation of the carboxy group.


A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of ascr#1. The conjugate base of ascr#1 and the major species at pH 7.3.


A 3,4-dihydroxy-5-polyprenylbenzoate in which the polyprenyl chain contains 6 prenyl units; major species at pH 7.3.


Dianion of dihydrofolic acid arising from deprotonation of both carboxylic acid functions.


A hydroxy fatty acid anion that is the conjugate base of (R)-2-hydroxylignoceric acid, obtained by deprotonation of the carboxy group.


A retinoid anion that is the conjugate base of all-trans-13,14-dihydroretinoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Dicarboxylate anion of (R)-3,3-dimethylmalic acid.


L-phenylalaninate

An optically active form of phenylalaninate having L-configuration.


Dianion arising from deprotonation of both carboxylic acid groups of 2-methyl-3-oxosuccinic acid.


marilonates

Major species at pH 7.3


A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of (Z)-2-methylureidoacrylic acid. The major species at pH 7.3.


ganglioside GD3(2-)

A carbohydrate acid derivative dianion that is the conjugate base of the ganglioside GD3 arising from deprotonation of the neuraminosyl carboxy groups; major species at pH 7.3.


beta-D-galactosylceramide sulfate(1-)

An organosulfate oxoanion obtained by deprotonation of the sulfate group of any galactosylceramide sulfate.


deacetylcephalosporin C(1-)

A cephalosporin carboxylic acid anion that is the conjugate base of deacetylcephalosporin C, arising from deprotonation of both carboxy groups and protonation of the amino group; major species at pH 7.3.


A dicarboxylic acid monoanion that is the conjugate base of glutaric acid.


The conjugate base of 4-coumaroylshikimic acid; major species at pH 7.3.


An S-substituted N-acetyl-L-cysteine that is the conjugate base of S-(5-acetamido-2-hydroxyphenyl)-N-acetyl-L-cysteine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A beta-amino-acid anion that is the conjugate base of isoglutamic acid, obtained by deprotonation of the carboxy groups and protonation of the amino group; major species at pH 7.3.


11,12-dihydro-12-oxoleukotriene C4(2-)

A leukotriene anion obtained by deprotonation of the three carboxy groups and protonation of the glutathionyl alpha-amino group of 11,12-dihydro-12-oxoleukotriene C4; major species at pH 7.3.


A hydroxy fatty acid ascaroside anion that is the conjugate base of oscr#22, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A polyunsaturated dicarboxylic acid dianion resulting from the deprotonation of both of the carboxy groups of (2Z,4E)-4-amino-6-oxohepta-2,4-dienedioic acid. The major species at pH 7.3.


The organosulfate oxoanion formed by deprotonation of the sulfo groups in alpha-D-Glcp6S-(1->4)-beta-D-Glcp6SOMe.


cyclohexylsulfamate

An organic sulfamate oxoanion that is the conjugate base of cyclohexylsulfamic acid.


S-alkyl thiosulfate anion

Conjugate base of an S-alkyl thiosulfate compound.


Conjugate base of 4-(L-alanin-3-yl)-2-hydroxy-cis,cis-muconate 6-semialdehyde having anionic carboxy groups and a protonated primary amine; major species at pH 7.3.


3-methylcatechol monosulfate anion

An organosulfate oxoanion obtained by deprotonation of the sulfo group of any 3-methylcatechol monosulfate.


A dicarboxylic acid anion obtained by deprotonation of the carboxy and phosphino group of phosphinomethylmalic acid.


trihexosylceramide sulfate

An organosulfate oxoanion obtained by deprotonation of the sulfate group of any trihexosylceramide sulfate; major species at pH 7.3.


3-vinyl-bacteriochlorophyllide d(1-)

A cyclic tetrapyrrole anion obtained by deprotonation of the carboxy group of any 3-vinyl-bacteriochlorophyllide d; major species at pH 7.3.


A monocarboxylic acid anion arising from deprotonation of the carboxy and enol groups of 5-amino-4-chloro-2-(2-hydroxymuconoyl)pyridazin-3(2H)-one; major species at pH 7.3.


soyasapogenol E 3-O-beta-glucuronate

A monocarboxylic acid anion that results from the removal of a proton from the carboxy group of soyasapogenol E 3-O-beta-glucuronide.


A tetracarboxylic acid anion obtained by deprotonation of the four carboxy groups of beta-citrylglutamic acid; major species at pH 7.3.


The conjugate base of (Z)-3-aminoacrylic acid - major species at pH 7.3.


A 3-methoxy-4-hydroxy-5-all-trans-polyprenylbenzoate in which the polyprenyl chain contains 9 prenyl units; major species at pH 7.3.


A docosanoid anion that is the conjugate base of (7Z,9E,11E,16Z,19Z)-13,14-epoxydocosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


The monocarboxylic acid anion formed by loss of a proton from the carboxy group of 2-O-alpha-L-rhamnosyl-alpha-L-rhamnosyl-3-hydroxydecanoyl-3-hydroxydecanoic acid; principal microspecies at pH 7.3.


L-hexahomomethionine zwitterion

An L-polyhomomethionine zwitterion obtained by transfer of a proton from the carboxy to the amino group of L-hexahomomethionine; major species at pH 7.3.


A docosanoid anion that is the conjugate base of 13,14(S)-dihydroxy-(7Z,9E,11E,16Z,19Z)-docosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


The conjugate base of (R)-3-hydroxy-3-methyl-2-oxopentanoic acid and R enantiomer of 3-hydroxy-3-methyl-2-oxopentanoate.


A 2-hydroxypenta-2,4-dienoate in which the double bond between positions 2 and 3 has Z- (trans-) geometry.


dextran sulfate anion

An organosulfate oxoanion resulting from the deprotonation of the sulfo groups of dextran sulfate; major species at pH 7.3.


OPC8-CoA (4-)

An acyl-CoA(4-) that is the tetraanion of 8-[(1R,2R)-3-oxo-2-{(Z)-pent-2-en-1-yl}cyclopentyl]octanoate-coA, arising from deprotonation of phosphate and diphosphate functions.


A polyunsaturated fatty acid anion that is the conjugate base of (8S)-hydroperoxy-(14S,15R)-epoxy-(5Z,9E,11Z)-icosatrienoate, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An N-acylglycinate that is the conjugate base of N-(9Z,12Z,15Z)-octadecatrienoylglycine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


oxidooxomethyl

An organic radical anion obtained from carbon dioxide. It is a metabolite of carbon tetrachloride.


An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy group of VI3NeuAc-nLc6Cer; major species at pH 7.3.


Dianion of (6S)-5,6,7,8-tetrahydrofolic acid arising from deprotonation of both carboxylic acid functions.


A chlorobenzoate obtained by deprotonation of the carboxy group of 2,3-dichlorobenzoic acid. The major species at pH 7.3.


A long-chain fatty acid anion resulting from the deprotonation of the carboxy group of 16-(beta-D-glucopyranosyloxy)hexadecanoic acid. The major species at pH 7.3.


A monocarboxylic acid anion derived from 3,4-desaturation of beta-ionone ring of all-trans-retinoate; major species at pH 7.3.


taurohyocholate

Conjugate base of taurohyocholic acid.


(24S)-hydroxycholesterol 3-sulfate(1-)

A steroid sulfate oxoanion obtained by deprotonation of the sulfo group of (24S)-hydroxycholesterol 3-sulfate.


A monocarboxylic acid anion that is the conjugate base of 19-(4-hydroxyphenyl)nonadecanoic acid; major species at pH 7.3.


1,5-dihydrocoenzyme F420(4-)

Tetraanion of 1,5-dihydrocoenzyme F420 arising from deprotonation of acidic OH groups from carboxylic acid and phosphate functions.


A galactosylceramide sulfate(1-) in which the ceramide N-acyl group is specified as docosanoyl.


A dihydroxydocosahexaenoate that is the conjugate base of (4Z,7Z,10Z,12E,14R,16Z,19Z)-14,22-dihydroxydocosahexaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A cyclic tetrapyrrole anion obtained by removal of the acidic proton from position 21 as well as deprotonation of the carboxy group of any chlorophyllide. Major species at pH 7.3


A beta-amino-acid anion that is the conjugate base of 3-amino-3-(4-hydroxyphenyl)propanoic acid, arising from deprotonation of the carboxy group.


A hydroxy fatty acid anion that is the conjugate base of 3-hydroxyicosanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A monohydroxybenzoate that is the conjugate base of 3-dimethylallyl-4-hydroxybenzoic acid, obtained by deprotonation of the carboxy group.


Dianon of 3,5-dibromo-4-hydroxybenzoic acid arising from deprotonation of both the carboxy and phenolic functions.


hexacosahexaenoate

A polyunsaturated fatty acid anion that is the conjugate base of hexacosahexaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A dicarboxylic acid dianion obtained by deprotonation of the two carboxy groups of bilirubin; major species at pH 7.3.


Major species at pH 7.3.


A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of 5(S),8(R)-DiHODE. The major species at pH 7.3.


4-acetylphenyl sulfate

A phenyl sulfate oxoanion that is the conjugate base of 4-acetylphenyl hydrogen sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3.


Trianion of 2-phosphoglycolic acid arising from deprotonation of the carboxy and phosphate groups; major species at pH 7.3.


A 2-oxo monocarboxylic acid anion that is the conjugate base of 6-acetamido-2-oxopentanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Dicarboxylate anion of 2-hydroxymethylglutaric acid.


L-tryptophanate

The L-enantiomer of tryptophanate.


N-dodecanoylglycinate

An N-acylglycinate that is the conjugate base of N-dodecanoylglycine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


quercetin 3-sulfate(2-)

A flavonoid oxoanion arising from deprotonation of the 7-hydroxy and sufo groups of quercetin 3-sulfate; major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of mupirocin obtained by the deprotonation of the carboxy group; major microspecies at pH 7.3.


A dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of carboxyibuprofen.


(R)-PGJ2-S-glutathione conjugate(2-)

A prostanoid anion obtained by deprotonation of the three carboxy groups and protonation of the glutamyl alpha-amino group of (R)-PGJ2-S-glutathione conjugate; major species at pH 7.3.


An N-carbamoyl-L-alpha-amino acid anion obtained by deprotonation of the carboxy groups of N-carbamoyl-L-glutamic acid.


A polyunsaturated fatty acid anion that is the conjugate base of (13Z,16Z,19Z,22Z)-octacosatetraenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of (R)-2-(4-chloro-2-methylphenoxy)propanoic acid, obtained by deprotonation of the carboxy group.


(2S)-2,6-dimethylheptyl sulfate

The (S)-enantiomer of 2,6-dimethylheptyl sulfate. It has been isolated from Daphnia pulex.


20-oxoleukotriene E4(1-)

A leukotriene anion that is the conjugate base of leukotriene E4 obtained by deprotonation of the two carboxy groups and protonation of the cysteinyl alpha-amino group; major species at pH 7.3.