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


A monocarboxylic acid anion resulting from the deprotonation of 6-hydroxynicotinic acid; the major species at pH 7.3.


name: straight-chain saturated fatty acid anion

description: Any saturated fatty acid anion lacking a carbon side-chain.


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


A monocarboxylic acid anion that is the conjugate base of 13-(octadecanoyloxy)octadecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A furancarboxylate that is the conjugate base of 5-formyl-2-furoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


15-dehydro-prostaglandin E1(1-)

Conjugate base of 15-dehydro-prostaglandin E1.


A dicarboxylic acid dianion resulting from the deprotonation of both ot the carboxy groups of 5,6,6'-trihydroxy-5'-methoxy[biphenyl]-3,3'-dicarboxylic acid. The major microspecies at pH 7.3.


keto-D-gluconate

A ketogluconate of D-configuration


A steroid acid anion that is the conjugate base of 3beta-hydroxycholest-5-en-26-oic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An undecenoate that is the conjugate base of 8-undecenoic acid.


A steroid acid anion that is the conjugate base of (2Z,10Z)-3-hydroxy-5,17-dioxo-4,5-secoestra-2,10-diene-3-oic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. A meta-cleavage  metabolite in the estrogen degradation pathway.


A polyunsaturated fatty acid anion that is the conjugate base of (10Z,13Z,16Z,19Z,22Z)-octacosapentaenoic 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 15-hydroxypalmitic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A carbohydrate acid derivative anion that is the conjugate base of alpha-N-acetylneuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosylceramide.


fatty acid anion 4:0

Any saturated fatty acid anion containing 4 carbons. Formed by deprotonation of the carboxylic acid moiety. Major species at pH 7.3.


A vaccenate(1-) having a trans- double bond.


A carbohydrate acid derivative anion in which the anionic species formed by proton loss from the carboxy function of beta-D-galacturonic acid is linked glycosidically to a 3-aminopropyl group.


An omega-hydroxy fatty acid anion that is the conjugate base of omega-hydroxyarachdonic acid (20-HETE), obtained by deprotonation of the carboxy group; major species at pH 7.3.


20-hydroxy-6-trans-leukotriene B4(1-)

A leukotriene anion that is the conjugate base of 20-hydroxy-6-trans-leukotriene B4 arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


The carboxylate anion of N-acetyl-beta-D-galactosaminyl-(1->4)-alpha-N-acetylneuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-beta-D-glucosylceramide.


N-hydroxydihomomethioninate

Conjugate base of N-hydroxydihomomethionine.


The conjugate base of 3-dehydro-L-gulonic acid; major species at pH 7.3.


mevinolinate

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


An oxalatosuccinate(3-) in which the carboxy group at position 2 adopts an S-configuration.


A doubly-charged L-alpha-amino acid anion resulting from deprotonation of both carboxy groups of 3-hydroxy-L-glutamic acid.


The conjugate base of 2,5-dioxopentanoic acid; major species at pH 7.3.


An inositol phosphomannosylinositol phosphophytoceramide(2-) having an inositol 1-phosphoryl group linked at the 6-position to the mannose residue and a hexacosanoyl group amide-linked to a C18 sphinganine base, with no hydroxylation at C-4 of the long-chain base or on the C26 very-long-chain fatty acid. Major species at pH 7.3.


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


A carbohydrate acid derivative anion obtained by deprotonation of the carboxy group on the Neu5Ac residue of beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer. It is the major species at pH 7.3.


A dicarboxylic acid monoanion resulting from the removal of a proton from one of the carboxylic acid groups of methylmalonic acid.


21-hydroxypregnenolone disulfate anion

A steroid sulfate oxoanion obtained by deprotonation of at least one of the sulfo groups of 21-hydroxypregnenolone disulfate.


A hydroxy monocarboxylic acid anion resulting from the deprotonation of the carboxy group of (3R)-3-{[(3R)-3-{[(3R)-3-{[(3R)-3-{[(3R)-3-hydroxybutanoyl]oxy}butanoyl]oxy}butanoyl]oxy}butanoyl]oxy}butanoate. A pentamer of (3R)-hydroxybutanoic acid; major microspecies at pH 7.3.


An organophosphate oxoanion obtained by deprotonation of the carboxy and phosphate OH groups of (R)-3,5-bisphosphomevalonic acid; major species at pH 7.3.


prostaglandin A2(1-)

A prostaglandin carboxylic acid anion resulting from the removal of the proton from the carboxy group of prostaglandin A2.


methyl sulfate(1-)

An organosulfate oxoanion that is the conjugate base of methyl sulfate; major species at pH 7.3.


trioxilin B3(1-)

The trioxilin anion that is the anion formed from trioxilin B3 by deprotonation of its carboxylic acid moiety; major microspecies present at pH 7.3.


o-cresol sulfate

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


A naphthoate that is the conjugate base of 1-naphthoic acid.


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


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


An amidobenzoate that is the conjugate base of 4-acetamidobenzoic acid, arising from deprotonation of the carboxy group; major species at pH 7.3.


A piperidinecarboxylate that is the conjugate base of 1-piperideine-2-carboxylic acid.


gondoate

A very long-chain fatty acid anion that is the conjugate base of gondoic acid, formed by deprotonation of the carboxylic acid group.


The S-enantiomer of 2-hydroxy-3-methylbutyrate. The conjugate base of (S)-2-hydroxy-3-methylbutyric acid, formed by loss of a proton from the carboxy group, it is the major species present at physiological pH.


xanthurenate

A quinolinemonocarboxylate that is the conjugate base of xanthurenic acid, obtained by deprotonation of the carboxy group.


octacosahexaenoate

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


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


Conjugate base of 4-hydroxyphenylglyoxylic acid.


An N-acyl-L-aspartate(2-) obtained by deprotonation of the carboxy groups of N-(indole-3-acetyl)-L-aspartic acid.


A docosanoid anion that is the conjugate base of (4Z,7Z,11E,13Z,16Z,19Z)-10-hydroperoxydocosahexaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3


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


N-acetylmethioninate

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


carboxylato-PTIO

A benzoate that is the conjugate base of carboxy-PTIO, obtained by deprotonation of the carboxy group.


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

description: The conjugate base of magnesium 13(1)-hydroxyprotoporphyrin 13-monomethyl ester, formed by deprotonation of the carboxyethyl group at C-17.  It is  the principal species at pH 7.3.


A beta-D-glucosiduronate resulting from the deprotonation of the carboxy group of 4-methylumbelliferone beta-D-glucuronide. The major species at pH 7.3.


Dicarboxylate anion of (7R)-7-(5-carboxy-5-oxopentanamido)cephalosporanate acid.


An alpha-amino-acid anion that is the  conjugate base of 2,4-diaminopentanoic acid.


Dicarboxylate anion of 2-hydroxy-3-oxoadipic acid; major species at pH 7.3.


divinyl chlorophyllide a(2-)

A cyclic tetrapyrrole anion that is the conjugate base of divinyl chlorophyllide a, arising from 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.).


The dicarboxylate anion of 2-methylene-3-methylsuccinic acid; major species at pH 7.3.


oxalate

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


A monocarboxylic acid anion obtained from the deprotonation of the carboxy group and tetrazole NH group of zolasartan. Major microspecies at pH 7.3.


D-glucopyranuronate

A carbohydrate acid anion that is the conjugate base of D-glucopyranuronic acid.


A hydroxy monocarboxylic acid anion that is the conjugate base of (S)-3,4-dihydroxy-2-oxobutanoic 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 (4-nitrophenyl)acetic acid; it is the major species at pH 7.3.


anthranilate

An aminobenzoate that is the conjugate base of anthranilic acid, obtained by deprotonation of the carboxy group.


An anionic ganglioside that is the conjugate base of alpha-N-glycoloylneuraminosyl-(2->3)-beta-D-galactosyl-(1->4)-N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-ceramide arising from deprotonation of the glycoloylneuraminosyl carboxy group; major species at pH 7.3.


D-glutaminate

An optically active form of glutaminate having D-configuration.


A dicarboxylic acid anion that is the major structure at pH 7.3 of cis,cis-2-amino-3-(3-oxoprop-1-enyl)but-2-enedioic acid


A fluorobenzoate that is the conjugate base of 4-fluorobenzoic acid.


dimethylbenzoate

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


The anion of cefmenoxime.


heme d trans-diol(2-)

A dicarboxylic acid dianion resulting from the removal of a proton from both of the carboxy groups of heme d trans-diol.


An oxo monocarboxylic acid anion that is the conjugate base of (9R,13R)-1a,1b-dinor-10,11-dihydro-12-oxo-15-phytoenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


The hydroxy fatty acid anion that is formed by loss of a proton from the carboxy group of (S)-3-hydroxyisobutyric acid.


name: (2S)-2-hydroxy monocarboxylic acid anion

description: A hydroxy monocarboxylic acid anion where the hydroxy group is placed at position 2 (alpha to the carboxy group) and has (S)-stereochemistry; major species at pH 7.3.


ribavirin carboxylate

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


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


A hydroxy monocarboxylic acid anion resulting from the removal of the proton from the carboxy group of (R)-10-hydroxyoctadecanoic acid.


An oxo monocarboxylic acid anion that is the conjugate base of 5-hydroxy-3-[(3aS,4S,5R,7aS)-7a-methyl-1,5-dioxo-octahydro-1H-inden-4-yl]propanoate, obtained by deprotonation of the carboxy group; major species at pH 7.3.


octadecanoid anion

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


straight-chain fatty acid anion

A fatty acid anion formed by deprotonation of the carboxylic acid functional group of a straight-chain fatty acid.


(R)-dihydrolipoate

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


Major microspecies at pH 7.3


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


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


A monocarboxylic acid anion resulting from the removal of the proton from the carboxy group of any 1-pyrrolinecarboxylic acid.


2-naphthyl sulfate(1-)

An aryl sulfate oxoanion resulting from the deprotonation of the sulfooxy group of 2-naphthyl sulfate . The major microspecies at pH 7.3.


A retinoid anion that is the conjugate base of all-trans-4,18-dihydroxyretinoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Conjugate base of (S)-5-oxo-2,5-dihydro-2-furylacetic acid.


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

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


A hydroxy polyunsaturated fatty acid anion that is the conjugate base of 17(R)-HDoHE arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


Major species at pH 7.3.


N-(fatty acyl)-L-alpha-amino acid anion

The conjugate base of a N-fatty-acyl-L-alpha-amino acid arising from deprotonation of the carboxy group; major species at pH 7.3.


A 3,4-dihydro-4-hydroxyphenylpyruvate having R-configuration.


Conjugate base of 4'''-demalonylsalvianin.


dihydroxybenzoate

A hydroxybenzoate that is the  conjugate base of dihydroxybenzoic acid.


An organic sulfamate oxoanion resulting from the removal of the proton from the sulfamic acid group of N-sulfo-D-glucosamine.


Dicarboxylate anion of (7R)-7-(4-carboxybutanamido)cephalosporanic acid.


callysponginol sulfate A(1-)

A organosulfate oxoanion that is the monoanion obtained by the deprotonation of the sulfate function of callysponginol sulfonic acid A.


A 1-pyrroline-5-carboxylate resulting from the removal of the proton from the carboxy group of (S)-1-pyrroline-5-carboxylic acid.


streptothricin F acid (pH 7.3)

A primary aliphatic ammonium ion which is obtained from streptothricin F by protonation of the guanidino and amino groups and deprotonation of the carboxylic acid group.


The conjugate base of 1,6-dihydroxy-2-methylcyclohexa-2,4-dienecarboxylic acid; major species at pH 7.3.


A member of the class of naphthoates that is 1-naphthoate substituted at positions 3 and 5 by hydroxy and methyl groups respectively; major species at pH 7.3.


An alpha-amino-acid anion that is the conjugate base of tyrosine, arising from deprotonation of the carboxy group.


A UDP-N-acetyl-D-galactosamine 4-sulfate(4-) in which the anomeric centre of the galactosamine fragment has alpha-configuration


cetoleate

A straight-chain, monounsaturated fatty acid anion that is the conjugate base of cetoleic acid.


A member of the class of benzoates that is the conjugate base of lasalocid, resulting from the deprotonation of the carboxy group. Major species at pH 7.3.


(S)-2-halocarboxylic acid anion

A carboxylic acid anion obtained by deprotonation of the carboxy group of any (S)-2-halocarboxylic acid; major species at pH 7.3.


An icosanoid anion that is the conjugate base of 11(R)-HEPE arising from deprotonation of the carboxylic acid group; major species at pH 7.3.


ketomycolate type-1 (X')

The conjugate base of ketomycolic acid type-1 (X'). A class of mycolic acids characterized by the presence of two proximal cis-cyclopropyl groups followed by a distal oxo group and a (CH-CH3) fragment of (S) stereochemistry in the meromycolic chain.


The anion formed by deprotonating bromfenac at the carboxyl proton.


(S)-lactate

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


dihydromonacolin L carboxylate

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


A 2-hydroxy fatty acid anion resulting from the deprotonation of the carboxy group of 2-hydroxydodecanoic acid. The major microspecies at pH 7.3


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


Major species at pH 7.3


hexacosadienoate

A very long-chain fatty acid anion with a chain that is composed of 26 carbons and 2 double bond (positions unspecified).


Major species at pH 7.3.


A cyclic tetrapyrrole anion that is the conjugate base of protochlorophyllide, arising from deprotonation of the carboxy group.


name: heparan sulfate alpha-D-glucosaminide 6-sulfate polyanion

description: A carbohydrate acid derivative anion arising from deprotonation of the carboxylic acid and sulfate groups of the repeating units of heparan sulfate alpha-D-glucosaminide 6-sulfate; major species at pH 7.3.


A medium-chain fatty acid anion that is the conjugate base of 2-oxohexanoic acid.


N-acetyl-L-alaninate

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


A cholanic acid anion that is the conjugate base of 7beta-hydroxy-3,12-dioxo-5beta-cholan-24-oic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


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


A carboxylic acid anion resulting from the removal of protons from the phenolic hydroxy group and the carboxy group of 2',4',5',7'-tetrabromofluorescein.


ketomycolate type-1 (XI)

The conjugate base of ketomycolic acid type-1 (XI). A class of mycolic acids characterized by the presence of a proximal trans-cyclopropyl group followed by a distal oxo group and a (CH-CH3) fragment of (S) stereochemistry in the meromycolic chain.


15-oxoprostaglandin F2alpha(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of 15-oxoprostaglandin F2alpha, obtained by deprotonation of the carboxy group; major species at pH 7.3.


The conjugate base of (R)-indole-3-lactic acid.


(E,E)-piperate

Major species at pH 7.3


A hydroperoxydocosapentaenoate that is the conjugate base of (7Z,10Z,12E,16Z,19Z)-14-hydroperoxydocosapentaenoic acid, 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-icosanoyl-(3-O-sulfo-D-galactosyl)sphingosine; major species at pH 7.3.


8-oxoresolvin D1(1-)

A polyunsaturated fatty acid anion that is the conjugate base of 8-oxoresolvin D1, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An oxo monocarboxylic acid anion that is the conjugate base of 8-[(1S,2S)-3-oxo-2-{(Z)-pent-2-en-1-yl}cyclopentyl]octanoic acid resulting from the deprotonation of the carboxy group; major species at pH 7.3.


prostaglandin G3(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of prostaglandin G3, obtained by deprotonation of the carboxy group; major species at pH 7.3.


branched-chain amino-acid anion

A branched-chain amino acid whose alpha-carboxylic acid group is ionized.


The trans-isomer of 4-coumarate.


A hydroperoxy fatty acid anion that is the conjugate base of (R)-2-hydroperoxy-alpha-linolenic 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 (5Z,8Z,11Z,14Z)-icosatetraenedioic acid; major species at pH 7.3.


An N-acyl-D-alpha-amino acid anion arising from deprotonation of the carboxy groups and protonation of the amido group of any N-acyl-D-glutamic acid.


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


A dicarboxylic acid anion obtained by deprotonation of at least one of the carboxy groups of 2-hydroxyglutaric acid.


pentadecanoate

A straight-chain, saturated fatty acid anion resulting from the deprotonation of the carboxy group of pentadecanoic acid. It is the major species at pH 7.3.


dihydrolipoate

The conjugate base of dihydrolipoic acid.


An organosulfate oxoanion that is the conjugate base of avibactam, obtained by deprotonation of the sulfo group.


gibberellin A3 O-beta-D-glucoside(1-)

Conjugate base of gibberellin A3 O-beta-D-glucoside arising from deprotonation of the carboxylic acid group


chlorophyllide a(2-)

A cyclic tetrapyrrole anion arising from deprotonation of the carboxy group and the C-21 posiiton of chlorophyllide a. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


N-acetyl-L-citrullinate

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


A dicarboxylic acid dianion resulting from removal of a proton from both carboxy groups of N-acetyl-LL-2,6-diaminopimelic acid.


A polyunsaturated fatty acid anion that is the conjugate base of (4Z,7Z,10Z,13Z,16Z,19S,20R)-19,20-epoxydocosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A HETE anion that is the conjugate base of 16-HETE, arising from deprotonation of the carboxy group; major species at pH 7.3.


steroid acid anion

Any anion formed by loss of a proton from a steroid acid.


A dicarboxylic acid dianion resulting from the deprotonation of the two carboxy groups of 3-methylbenzylsuccinic acid; Major species at pH 7.3.


N-succinyl-L-alpha-amino acid(2-)

A doubly-charged N-acyl-L-alpha-amino acid anion resulting from deprotonation of both carboxy groups of N-succinyl-L-alpha-amino acid. Major species at pH 7.3.


A hydroxy monocarboxylic acid anion that is the conjugate base of 1,4-dihydroxy-2-naphthoic acid.


A galactosylceramide sulfate(1-) in which the ceramide N-acyl group is specified as (R)-2-hydroxybehenoyl.


The conjugate base of L-5-carboxymethylhydantoin; major species at pH 7.3.


tetratriacontatetraenoate

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


hexuronate

A uronate obtained via deprotonation of the carboxy group of any hexuronic acid.


The conjugate base of 3-oxoglycyrrhetinic acid acid; major species at pH 7.3.


L-trihomomethionine zwitterion

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


ethylmalonate

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


Se-methyl-L-selenocysteinate

An L-alpha-amino acid anion having methylselanylmethyl as the side-chain.


chlorobenzoate

Any member of the class of benzoates in which the benzene ring is substituted by at least one chloro group.


An epoxy(hydroxy)icosatrienoate that is the conjugate base of (8R)-hydroxy-(11S,12S)-epoxyicosa-(5Z,9E,14Z)-trienoic acid, obtained by deprotonation of the carboxy group.


A steroid acid anion that is the conjugate base of 3-hydroxy-9-oxo-9,10-seco-23,24-bisnorchola-1,3,5(10)-trien-22-oic acid, 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-pregnan-3beta,20alpha-diol disulfate


A pentenedioate that is the dianion obtained by the deprotonation of both the carboxy groups of glutaconic acid.


An aminobenzoate that is the conjugate base of 4-aminosalicylic acid, obtained by deprotonation of the carboxy group. Major miscrospecies at pH 7.3.


A carbohydrate acid derivative anion that is HP_dp02_0008 [alpha-Delta4,5-UA(2S)-(1->4)-alpha-D-GlcpNS] in which the carboxy, sulfamic acid, and sulfooxy groups have undergone deprotonation.


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


A monocarboxylic acid anion that is the conjugate base of N-(indol-3-ylacetyl)glutamine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A steroid acid anion that is the conjugate base of 3-dehydro-4-carboxyzymosterol, obtained by deprotonation of the carboxy group; major species at pH 7.3.


omega-methyl fatty acid anion

A fatty acid anion obtained by deprotonation of the carboxy group of any omega-methyl fatty acid; major species at pH 7.3.


ketogluconate

A gluconate that contains a ketonic carbonyl group.


A member of the class of benzoates that results from the removal of a proton from the carboxylic acid group of 3-O-methylgallic acid.


An (omega-1)-hydroxy fatty acid anion resulting from the deprotonation of the carboxy group of 20-hydroxyhenicosanoic acid. The major species at pH 7.3.


A tricarboxylic acid trianion obtained by deprotonation of the three carboxy groups of (-)-threo-isodihomocitric acid; major species at pH 7.3.


kynurenate

A quinolinemonocarboxylate that is the conjugate base of kynurenic acid


An anionic ganglioside that is the conjugate base of N-acetyl-alpha-neuraminosyl-(2->3)-beta-D-galactosyl-ceramide arising from deprotonation of the neuraminosyl carboxy group; major species at pH 7.3.


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


A long-chain unsaturated fatty acid anion that is the conjugate base of (9Z,13S)-12,13-epoxyoctadeca-9,11-dienoic acid arising from deprotonation of the carboxylic acid function.


propynoate

An acetylenic fatty acid anion and the conjugate base of propynoic acid, arising from deprotonation of the carboxylic acid group.


Octaanionic form of precorrin-4 arising from global deprotonation of the carboxy groups; major species at pH 7.3.


A steroid acid anion that is the conjugate base of (25R)-Delta(4)-dafachronic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An omega-carboxyacyl-CoA(5-) obtained by deprotonation of the phosphate, diphosphate and carboxy groups of any 3-carboxy-3-hydroxypropanoyl-CoA; major species at pH 7.3.


heparosan-N-sulfate D-glucuronate

A carbohydrate acid derivative anion obtained via global deprotonation of the carboxy and sulfo groups of heparosan-N-sulfate D-glucuronic acid; major species at pH 7.3.


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

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


N-decanoylglycinate

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


(R)-rosmarinate

A stereoisomer of rosmarinate having (R)-configuration.


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


A 4-hydroxy monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of 4-hydroxybutyric acid.


A monounsaturated fatty acid anion that is the conjugate base of 12,13-DiHOME, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of icas#12 resulting from the deprotonation of the carboxy group; Major species at pH 7.3.


D-mannosyl-D-glycerate

The carbohydrate acid anion formed from a D-mannosyl-D-glyceric acid by deprotonation of the carboxylic acid moiety.


Watasenia luciferin(2-)

A doubly-charged organosulfate oxoanion arising from deprotonation of both sulfo groups of Watasenia luciferin; major species at pH 7.3.


A triacontatetraenoate that is the conjugate base of (15Z,18Z,21Z,24Z)-triacontatetraenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


m-hydroxyhippurate

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


polysaccharide acid oxoanion

A carbohydrate acid derivative anion arising from deprotonation of one or more oxoacid OH groups of any polysaccharide acid.


lyxonate

A pentonate resulting from the deprotonation of the carboxy group of a lyxonic acid.


name: (Kdo)2-lipid A 1-diphosphate(7-) (E. coli)

description: A carbohydrate acid derivative anion obtained by deprotonation of the carboxy, phosphate and diphosphate functions of (Kdo)2-lipid A 1-diphosphate; major species at pH 7.3.


The dihydroxybenzoate anion formed by loss of a proton from the carboxy group of 3,4-dihydroxy-5-polyprenylbenzoic acid.  The major species present at pH 7.3, it is an intermediate in the formation of ubiquinone.


An unsaturated fatty acid anion that is the conjugate base of (8E,10S)-10-hydroperoxy-8-octadecenoic acid, obtained by deprotonation of the carboxy group.


A 3-methoxy-4-hydroxy-5-all-trans-polyprenylbenzoate in which the polyprenyl component is specified as octaprenyl.


A monoacylglycero-3-phosphoglycerol(1-) obtained by deprotonation of the phosphate OH group of any 1-acylglycero-3-phospho-1'-glycerol; major species at pH 7.3.


A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of (R)-imazapyr.


A hydroxamic acid anion resulting from the removal of a proton from each of the three hydroxamic acid groups of desferricoprogen.


A carbohydrate acid derivative anion resulting from the removal of a proton from the carboxy and sulfate groups of 2-acetamido-2-deoxy-3-O-(4-deoxy-alpha-L-threo-hex-4-enopyranosyluronic acid)-4-O-sulfo-beta-D-galactopyranose arising from deprotonation of carboxylic acid and sulfate functions.


N,N-dihydroxyhexahomomethioninate

Conjugate base of N,N-dihydroxyhexahomomethionine.


cyclic dehypoxanthinylfutalosinate(1-)

A benzoate anion that is the conjugate base of cyclic dehypoxanthinylfutalosine, arising from deprotonation of the carboxy group; major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of 13-(beta-D-glucosyloxy)docosanoic acid, arising from deprotonation of the carboxy group.


N-oleoyl-L-serinate

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


omega-hydroxyphytanate

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


A dicarboxylic acid monoanion that is the conjugate base of 2-amino-3-(3-oxoprop-1-enyl)but-2-enedioic acid and the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


A monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of (R)-dichlorprop. The major species at pH 7.3


chlorophyllide b(2-)

A cyclic tetrapyrrole anion that is derived from chlorophyllide b 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.).


murideoxycholate

A  bile acid anion that is the conjugate base of murideoxycholic acid.


dehydroepiandrosterone sulfate(1-)

The conjugate base of 3beta-hydroxyandrost-5-en-17-one 3-sulfate arising from deprotonation of the sulfate OH group; major species at pH 7.3.


N-acetyltryptophanate

A monocarboxylic acid anion which is obtained by deprotonation of the carboxy group of N-acetyltryptophan.


A group of heterocyclic compounds based on the 5-methyl-5,6,7,8-tetrahydropteroic acid skeleton conjugated with one or more L-glutamic acid or L-glutamate units.


A keto-D-gluconate that is the conjugate base of 3-dehydro-D-gluconic acid, obtained by deprotonation of the carboxy group.


An icosanoid anion that is the conjugate base of 11-HETE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


hippurates

An N-acylglycinate obtained by deprotonation of the carboxy group of hippuric acid (N-benzoylglycine) and its derivatives.


A benzoate anion resulting from the removal of protons from the phenolic hydroxy group and the carboxy group of 2',4',5',7'-tetrabromo-2,3,4,5-tetrachlorofluorescein.


resolvin T2(1-)

A docosanoid anion that is the conjugate base of resolvin T2, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Major species at pH 7.3


2,3,4-saturated fatty acid(1-)

A fatty acid anion obtained by deprotonation of the carbox group of any 2,3,4-saturated fatty acid.


The 5-oxo monocarboxylic acid anion resulting from the removal of the proton from the carboxylic acid group of 2-hydroxy-6-oxo-6-phenylhexa-2,4-dienoic acid.


A docosanoid anion obtained by deprotonation of the two carboxy groups and protonation of the alpha-amino group of (8S)-glycinylcystein-S-yl-(7R,17S)-dihydroxy-(4Z,9,11,13Z,15E,19Z)-docosahexaenoic acid; major species at pH 7.3.


A benzoate in which an unspecified halogen atom is bonded to the carbon atom adjacent to the carboxylate group.


A steroid acid anion that is the conjugate base of (25R)-3beta,4beta-dihydroxycholest-5-en-26-oic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An icosanoid anion that is the conjugate base of 15(R)-HEPE arising from deprotonation of the carboxylic acid group; major species at pH 7.3.


N-acetyl-L-tyrosinate

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


N-acetyl-L-cysteinate

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


The conjugate base of 5-oxoproline.


A hydroxy fatty acid ascaroside anion that is the conjugate base of oscr#18, obtained by deprotonation of the carboxy group; major species at pH 7.3.


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


L-homocysteinate

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


The conjugate base of 4-carboxymethyl-4-methylbut-2-en-1,4-olide; major species at pH 7.3.


A tricarboxylic acid trianion resulting from the deprotonation of all three hydroxy groups of N-acetyl-S-(2-succino)-L-cysteine. The major species at pH 7.3.


The conjugate base of 2-(hydroxymethyl)-4-oxobutanoic acid; major species at pH 7.3.


A doubly-charged S-alkyl thiosulfate anion obtained by deprotonation of both thiosulfate OH grous of thiosultap.


A 6-oxo monocarboxylic acid anion resulting from the deprotonation of the carboxy group of (2Z,4E)-2-hydroxy-5-methyl-6-oxohexa-2,4-dienoic acid. The major species at pH 7.3.


A dicarboxylic acid dianion resuting from removal of a proton from both carboxy groups of 4-fumarylacetoacetic acid.


aspirin-triggered protectin D1(1-)

A dihydroxydocosahexaenoate that is the conjugate base of aspirin-triggered protectin D1, obtained by deprotonation of the carboxy group; major species at pH 7.3.


The conjugate base of 2,4-dichloro-5-oxo-2,5-dihydro-2-furylacetic acid; major species at pH 7.3.


19-hydroxythromboxane A2(1-)

A thromboxane anion that is the conjugate base of 19-hydroxythromboxane A2, obtained by deprotonation of the carboxy group; major species at pH 7.3.


lysinate

An alpha-amino-acid anion that is the conjugate base of lysine, arising from deprotonation of the carboxy group.


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


An organophosphate oxoanion that is a trianion arising from deprotonation of phosphate and carboxylic acid functions of 6-phospho-D-gluconic acid.


A long-chain fatty acid anion that is the conjugate base of 11-PAHSA, obtained by deprotonation of the carboxy group; major species at pH 7.3.


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


cyclohexanecarboxylate

A monocarboxylic acid anion that is the conjugate base of cyclohexanecarboxylic acid.


22-hydroxyprotectin D1(1-)

A docosanoid anion that is the conjugate base of 22-hydroxyprotectin D1, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Major microspecies at pH 7.3.


A precorrin carboxylic acid anion that is the heptaanionic form of precorrin-6A. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


A hydroxy fatty acid ascaroside anion that is the conjugate base of oscr#32, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An omega-hydroxy-lon-chain fatty acid anion that is the conjugate base of 15-hydroxypentadecanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


17beta-estradiol 17-glucosiduronate

A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of 17beta-estradiol 17-glucosiduronic acid.


triacontanoate

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


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


N-hydroxy-L-trihomomethioninate

An N-hydroxy-L-polyhomomethioninate that is the conjugate base of N-hydroxy-L-trihomomethionine, obtained by deprotonation of the carboxy group; major species at pH 7.3.


ternatin C5(2-)

Dianion of ternatin C5 arising from deprotonation of the malonyl carboxy and 5-and 7- hydroxy groups.


An organophosphate oxoanion arising from deprotonation of the four diphosphate OH groups of tungsten-bis(molybdopterin guanine dinucleotide); major species at pH 7.3.


Conjugate base of 1-pyrroline-3-hydroxy-5-carboxylic acid.


A linear tetrapyrrole anion obtained by deprotonation of both the carboxy groups of 15-oxo-beta-bilirubin.


N-oleoyl-L-leucinate

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


An icosanoid anion that is the conjugate base of 8(S)-HETE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


N-acetyl-L-2-aminoadipate semialdehyde

An N-acyl-L-alpha-amino acid anion resulting from deprotonation of the carboxy group of N-acetyl-L-2-aminoadipic semialdehyde; major species at pH 7.3.


Conjugate base of 3''-deamino-3''-oxonicotianamine.


digalacturonate

A carbohydrate acid anion resulting from the deprotonation of the carboxy groups of any digalacturonic acid.


A hydroperoxy fatty acid anion resulting from the deprotonation of the carboxy group of 10-hydroperoxy-8E-octadecenoic acid. The major species at pH 7.3.


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


A hydroxy monocarboxylic acid anion that is the conjugate base of 3-hydroxy-3-methylhexanoic acid, arising from deprotonation of the carboxy group.


Tricarboxylate anion of 4-carboxy-2-hydroxyhexa-2,4-dienedioic acid; major species at pH 7.3.


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


L-pipecolate

A pipecolate that is the conjugate acid of L--pipecolic acid.


19-hydroxyprostaglandin I2(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of 19-hydroxyprostaglandin I2, obtained by deprotonation of the carboxy group; major species at pH 7.3.


3-dehydro-L-gulonate 6-phosphate

An organophosphate oxoanion that is a trianion arising from deprotonation of the phosphate and carboxylic acid functions of 3-dehydro-L-gulonic acid 6-phosphate.


protochlorophyllide b(1-)

Major species at pH 7.3


Conjugate base of (2S)-2-hydroxyphytanic acid.


An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy groups of ganglioside GT2; major species at pH 7.3.


The conjugate base of (5Z,7E,9E,14Z,17Z)-icosapentaenoic acid; major species at pH 7.3.


icosadienoate

A polyunsaturated fatty acid anion that is the conjugate base of icosadienoic 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 3,4-dihydro-4-hydroxyphenylpyruvic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


n-octyl sulfate

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


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


mono(2-ethylhexyl) phthalate(1-)

Conjugate base of mono(2-ethylhexyl) phthalate arising from deprotonation of the free carboxy group; major species at pH 7.3.


An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy groups of ganglioside GT1a; major species at pH 7.3.


glycolithocholate

A N-acylglycinate that is the conjugate base of glycolithocholic acid; major species at pH 7.3.


(R)-pantothenate

A pantothenate that is the conjugate base of (R)-pantothenic acid, obtained by deprotonation of the carboxy group.


5-hydroperoxy-15-HETE(1-) that has 5S,15S configuration. The conjugate base of (5S,15S)-5-hydroperoxy-15-HETE. The major species at pH 7.3.


heptosyl-(KDO)2-lipid A(6-)

A lipid A oxoanion obtained via deprotonation of the carboxy and phosphate OH groups of L-alpha-D-Hep-(1->5)-[alpha-Kdo-(2->4)]-alpha-Kdo-(2->6)-lipid A; major species at pH 7.3.


A dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of 3-methylmalic acid; major microspecies at pH 7.3


Dicarboxylate anion of phytochromobilin; major species at pH 7.3.


A monounsaturated fatty acid anion resulting from the deprotonation of the carboxy group of (9Z)-17-hydroxyoctadec-9-enoic acid 17-O-sophoroside. The major species at pH 7.3


A hydroxy monocarboxylic acid anion that is the conjugate base of cis-4-coumaric acid; major species at pH 7.3.


guaiacol sulfate(1-)

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


calcitroate

Conjugate base of calcitroic acid.


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


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


eurysterol B(1-)

An organosulfonate oxoanion obtained by the deprotonation of the sulfate group of eurysterol B hydrogen sulfate.


Conjugate base of D-nopaline in which the three carboxy groups are anionic and the secondary amino and guanidino groups are cationic; major species at pH 7.3.


A steroid acid anion that is the conjugate base of 3beta-hydroxy-4beta-methyl-5alpha-cholest-7-ene-4alpha-carboxylic acid, obtained via deprotonation of the carboxy group; major species at pH 7.3.


estriol 16-O-(beta-D-glucuronide)(1-)

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


A HETE anion that is the conjugate base of 9-HETE, 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-7-oxo-5beta-cholan-24-oic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A 2-hydroxycarboxylate that is obtained by removal of a proton from the carboxylic acid group of 4-hydroxymandelic acid.


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


Major species at pH 7.3


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


(2R)-2-hydroperoxy fatty acid anion

A hydroperoxy fatty acid anion resulting from the deprotonation of the carboxy group of any (2R)-hydroperoxy fatty acid.


globostellatate A(1-)

A dioxo monocarboxylic acid anion obtained by the deprotonation of the carboxylic group of globostellatic acid A.


futalosinate

A 5-oxo monocarboxylic acid anion that is the conjugate base of futalosine.


A tricarboxylic acid trianion obtained by deprotonation of the three carboxy groups of (R)-dihomocitric acid; major structure at pH 7.3.


6-hydroxyindole sulfate(1-)

An organosulfate oxoanion that is the conjugate base of 6-hydroxyindole sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3.


benzoates

A monocarboxylic acid anion obtained by deprotonation of the carboxy group of any benzoic acid.


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


A 2-hydroxy fatty acid anion that is the conjugate base of 2-hydroxymyristic 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 (12S)-hydroperoxy-(14R,15S)-EET, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Major microspecies at pH 7.3.


vanilpyruvate

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


porfimer anion

The anion resulting from the removal of a proton from evry carboxylic acid group of porfimer, a mixture of oligomers formed by ether and ester linkages of up to eight porphyrin units (n = 0-6), where R = CH(OH)Me and/or CH=CH2.


A member of the class of oxopentanoates that is the conjugate base of 4-oxopentanoic acid.


A polyunsaturated fatty acid anion obtained by deprotonation of the carboxy group of (2E,6E)-farnesoic acid; major species at pH 7.3.


The conjugate base of (2-chloro-5-oxo-2,5-dihydro-2-furyl)acetic acid; major species at pH 7.3.


A citrate anion obtained by deprotonation of the three carboxy groups as well as the hydroxy group of citric acid.


icosenoate

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


A steroid sulfate oxoanion obtained by deprotonation of the sulfo group of any 4-androstene-3alpha,17alpha-diol monosulfate


leukotriene anion

A eicosanoid anion that is the conjugate base of a leukotriene.


prostaglandin D2(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of prostaglandin D2., obtained by deprotonation of the carboxy group; major species at pH 7.3.


An anionic ganglioside arising from deprotonation of the neuraminosyl carboxy groups of alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer; major species at pH 7.3.


11-epi-prostaglandin F2alpha(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of 11-epi-prostaglandin F2alpha, obtained by deprotonation of the carboxy group;  major species at pH 7.3.


N-formyl-L-methioninate

The conjugate base of N-formyl-L-methionine; major species at pH 7.3.


pyrroloquinoline quinol(4-)

A tricarboxylic acid anion obtained by deprotonation of the three carboxy groups as well as the 5-hydroxy group of pyrroloquinoline quinol; major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


mono(glucosyluronic acid)bilirubin(2-)

A dicarboxylic acid dianion resulting from the deprotonation of both of the carboxy groups of mono(glucosyluronic acid)bilirubin; major species at pH 7.3.


chlorogenate

A monocarboxylic acid anion that is the conjugate base of chlorogenic acid; major species at pH 7.3.


An carboxylic acid anion resulting from the deprotonation of both carboxy groups and the protonation of the primary amino group of glutathione. The major species at pH 7.3.


fumonisin B1(3-)

A tetracarboxylic acid anion resulting from the protonation of the amino group and the deprotonation of all four carboxy groups of fumonisin B1. This is the major species at pH 7.3.


myristoleate

A tetradecenoate that is the conjugate base of myristoleic acid.


A class of carboxylic acid anions of general formula RCHCH3C(=O)O(-) where R represents an aryl group.


carbohydrate acid derivative anion

A carboxylic acid anion resulting from the deprotonation of the carboxy group of a carbohydrate acid derivative.


A polyunsaturated fatty acid anion that is the conjugate base of 20-HEPE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


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


2-hydroxy fatty acid anion 16:0

A hydroxy fatty acid anion 16:0 in which the hydroxy substituent is located at position 2.


A polyunsaturated fatty acid anion that is the conjugate base of (8Z,11Z,14Z,17Z,20Z)-hexacosapentaenoic 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 ganglioside GQ1b (d18:1/C18:0); major species at pH 7.3.


protectin D1(1-)

A dihydroxydocosahexaenoate that is the conjugate base of protectin D1, obtained by deprotonation of the carboxy group; major species at pH 7.3.


coenzyme F420-1(4-)

The tetraanion of coenzyme F420-1 arising from deprotonation of the carboxylic acid and phosphate functions as well as the 3-position on the pyrimidinoquinoline ring system; major species at pH 7.3.


LASALOCID A SODIUM

The sodium salt of lasalocid. It is a veterinary ionophore antibiotic used for prevention and treatment of coccidiosis in poultry.


3-methoxycatechol monosulfate(1-)

A phenyl sulfate oxoanion obtained by deprotonation of the sulfo group of any 3-methoxycatechol monosulfate.


Published in DOI:10.1104/pp.116.1.369


A polyunsaturated fatty acid anion that is the conjugate base of (11Z,14Z,17Z)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


hydroxybenzoate

Any benzoate derivative carrying a single carboxylate group and at least one hydroxy substituent.


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


prolinate

An alpha-amino-acid anion that is the conjugate base of proline, arising from deprotonation of the carboxy group.


oxo dicarboxylic acid dianion

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


A polyunsaturated fatty acid anion that is the conjugate base of (17Z,20Z,23Z,26Z,29Z)-dotriacontapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


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

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


A thia fatty acid anion that is the conjugate base of 3-(methylthio)propionic acid.


o-toluate

A toluate that is the conjugate base of o-toluic acid.


A pyridoxate that is the conjugate base of 5-pyridoxic acid, obtained by deprotonation of the carboxy group.


A docosanoid anion that is the conjugate base of (4Z,7Z,10Z,13Z,16Z)-19,20-epoxydocosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Conjugate base of (5Z,9E,12S,14Z)-8,11,12-trihydroxyicosa-5,9,14-trienoic acid arising from deprotonation of the carboxylic acid function.


Dicarboxylate anion of 2-O-sinapoyl-D-glucaric acid.


Dicarboxylate anion of mesobiliverdin; major species at pH 7.3.


A tetracarboxylic acid anion formed by deprotonation of three of the four carboxy groups in ethylenediaminetetraacetic acid (EDTA).


A steroid glucuronide anion that is the conjugate base of 16alpha-hydroxyestrone 3-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


abscisates

A monocarboxylic acid anion obtained by removal of a proton from the carboxy group of any member of the class of abscisic acids.


20-hydroxyprostaglandin E1(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of 20-hydroxyprostaglandin E1, obtained by deprotonation of the carboxy group; major species at pH 7.3.


L-aspartate 4-semialdehyde

An alpha-amino-acid anion that is the conjugate base of L-aspartic 4-semialdehyde, arising from deprotonation of the carboxy group.


gellan gum

A polysaccharide acid oxoanion produced by bacteria, which is used as a substitute for agar as gelling agent in various clinical bacteriological media.


dermatan 6'-sulfate anion

Anionic form of dermatan 6'-sulfate arising from deprotonation of the carboxylic acid and sulfate groups of the repeating units; major species at pH 7.3.


A tricarboxylic acid trianion obtained by deprotonation of the carboxy groups of 1,1,1-propanetricarboxylic acid.


name: branched-chain saturated fatty acid anion

description: Any saturated fatty acid anion with a carbon side-chain or isopropyl termination.


A acyl-CoA oxoanion that is the pentaanion of (3S)-3-carboxy-3-hydroxypropanoyl-CoA, arising from deprotonation of phosphate, diphosphate and carboxy functions.


A gamma-amino-acid anion obtained by deprotonation of the side-chain carboxy group of N-(alpha-L-glutamyl)-2-naphthylamine.


octadecanedioic acid anion

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


(R)-lipoate

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


gibberellin A3(1-)

A gibberellin carboxylic acid anion obtained by deprotonation of the carboxy group of gibberellin A3.


name: hydroxy polyunsaturated fatty acid anion

description: Any polyunsaturated fatty acid anion carrying one or more hydroxy substituents.


guanidinoacetate

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


A hydroxy monocarboxylic acid anion obtained by deprotonation of the carboxy groups of 2-hydroxy-3-carboxy-6-oxo-7-methylocta-2,4-dienoic acid; major species at pH 7.3.


The anion resulting from the removal of a proton from the carboxylic acid group of 5-dehydro-4-deoxy-D-glucuronic acid.


pimelate

A tricarboxylic acid anion obtained by deprotonation of at least one of the carboxy groups of pimelic acid.


2-Oxohex-3-enedioate in which the C=C double bond has E configuration; principal microspecies at pH 7.3.


keto mycolate

A very long-chain fatty acid anion that is the conjugate base of keto mycolic 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 and 5 by hydroxy and methyl groups respectively; major species at pH 7.3.


name: heparan sulfate N-acetyl-alpha-D-glucosaminide polyanion

description: A carbohydrate acid derivative anion arising from deprotonation of the carboxylic acid and sulfate groups of the repeating units of heparan sulfate N-acetyl-alpha-D-glucosaminide; major species at pH 7.3.


penilactone D(2-)

Major microspecies at pH 7.3


A HODE(1-) that is the conjugate base of (9Z,12Z)-11-hydroxyoctadecadienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


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

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


A steroid sulfate oxoanion obtained by deprotonation of both sulfo groups of 5alpha-androstan-3alpha,17beta-diol disulfate


A tricarboxylic acid trianion obtained by deprotonation of the three carboxy groups of (2R)-trihomocitric acid; major species at pH 7.3.


An organophosphonate oxoanion obtained by deprotonation of the carboxy and phosphonate groups as well as protonation of the amino group of (1R,2S)-1-(S-L-cysteinyl)-2-hydroxypropylphosphonate; major species at pH 7.3.


An oxo-ETE anion that is the conjugate base of 9-oxo-ETE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A 2,4-diaminopentanoate that is the conjugate base of (2R,4S)-2,4-diaminopentanoic acid.


A monocarboxylic acid anion that is the conjugate base of 2-chloroacrylic acid obtained by deprotonation of the carboxy group.


prostaglandin D3(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of prostaglandin D3, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Se-methylselenocysteinate

An alpha-amino acid anion having methylselanylmethyl as the side-chain.


10,11-dihydroleukotriene B4(1-)

An icosanoid anion that is the conjugate base of 10,11-dihydroleukotriene B4, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An L-alpha-amino acid anion that is the conjugate base of O(4')-sulfo-L-tyrosine; major species ar pH 7.3.


The conjugate base of tauro-alpha-muricholic acid obtained by deprotonation of the carboxylic acid function; major species at pH 7.3.


cob(II)yrinic acid a,c diamide(4-)

A precorrin carboxylic acid anion obtained by global deprotonation of the carboxy groups of cob(II)yrinic acid a,c diamide. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


alpha-amino-acid anion

An amino-acid anion obtained by deprotonation of any alpha-amino acid.


isotridecanoate

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


ultra-long-chain fatty acid anion

Any very long-chain fatty acid anion  with a chain length greater than C27.


icosatetraenoate

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


hyocholate

A bile acid anion that is the conjugate base of hyocholic acid, obtained bye deprotonation of the carboxy group; major species at pH 7.3.


A 4-hydroxy-2-oxoheptanedioate obtained by deprotonation of both carboxy groups of (S)-4-hydroxy-2-oxoheptanedioic acid; major species at pH 7.3.


Conjugate base of (3E)-4-(2-hydroxyphenyl)-2-oxobut-3-enoic acid.


An aza fatty acid anion and the conjugate base of 4-(methylamino)butyric acid.


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


A cholanic acid anion that is the conjugate base of 3,7,12-trioxo-5beta-cholanic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An N-acyl-D-alpha-amino acid anion resulting from deprotonation of both carboxy groups of N-acetyl-D-aspartic acid. Major microspecies at pH 7.3.


indolmycenate

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


An oxo monocarboxylic acid anion obtained by deprotonation of the carboxy group of (1S,2S,5R)-AH23848.


leucinate

An alpha-amino-acid anion that is the conjugate base of leucine, arising from deprotonation of the carboxy group.


A polyunsaturated fatty acid anion that is the conjugate base of (5Z,8Z,14Z)-11,12-dihydroxyicosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


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


A 1-alkyl-2-acyl-sn-glycero-3-phosphate(2-) in which the 1-alkyl substituent can be any alk-1-enyl group. Major species at pH 7.3.


A hydroperoxy fatty acid anion that is the conjugate base of 12(R)-HPETE, obtained by deprotonation of the carboxy group.


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


cobalt(II)-factor IV(6-)

A precorrin carboxylic acid anion obtained by global deprotonation of the carboxy groups of cobalt(II)-factor IV. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


The conjugate base of 12-hydroxylauric acid.


An amino fatty acid anion that is the  conjugate base of 5-aminopentanoic acid.


An organosulfate oxoanion that is the conjugate base of (3Z,6Z,9Z)-dodeca-3,6,9-trien-1-yl hydrogen sulfate. Isolated from Daphnia pulex, it induces morphological changes of phytoplankton Scenedesmus gutwinskii.


prostaglandin F2beta(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of prostaglandin F2beta, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A dicarboxylic acid anion obtained by deprotonation of at least one of the carboxy groups of 2-isopropylmalic acid.


20-hydroxyprostaglandin E2(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of 20-hydroxyprostaglandin E2, obtained by deprotonation of the carboxy group; major species at pH 7.3.


N-acetyl-L-threoninate

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


An anionic ganglioside that is the conjugate base of alpha-Neu5Ac-(2->3)-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.


monounsaturated fatty acid anion

Any unsaturated fatty acid anion with one double or triple bond in the fatty acid chain.


hydroxy fatty acid anion 26:0

Any hydroxy saturated fatty acid anion containing 26 carbons.


L-thyroxine sulfate(1-)

A thyroxine sulfate(1-) that has L-configuration. The major microspecies at pH 7.3.


A tricarboxylic acid trianion obtained by deprotonation of the three carboxy groups of 2,2',2''-[10-(2-hydroxypropyl)-1,4,7,10-tetraazacyclododecane-1,4,7-triyl]triacetic acid (HP-DO3A).


The conjugate base of (R)-2-hydroxy-4-(hydroxymethylphosphinyl)butyric acid


carnosinate

An N-acyl-L-alpha-amino acid anion that is the conjugate base of carnosine, obtained by deprotonation of the carboxy group.


A monocarboxylic acid anion  that is the conjugate base of 2-imino-3-(indol-3-yl)propanoic acid, obtained by deprotonation of the carboxy group.


(2R)-2,6-dimethylheptyl sulfate

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


N-hydroxy-L-tryptophanate

Conjugate base of N-hydroxy-L-tryptophan.


Tricarboxylate anion of (2R)-homocitric acid.


The tricarboxylate anion of 2-hydroxy-4-oxobutane-1,2,4-tricarboxylic acid; major species at pH 7.3.


A C4-dicarboxylate resulting from deprotonation of both carboxy groups of malic acid.


quinaldate

A quinolinemonocarboxylate that is the conjugate base of quinaldic acid; major species at pH 7.3.


tricarballylate

A tricarboxylic acid trianion resulting from the removal of a proton from each of the carboxy groups of tricarballylic acid.


A 2-oxo monocarboxylic acid anion that is the conjugate base of 3,5-dihydroxyphenylglyoxylic acid, obtained by deprotonation of the carboxy group.


fatty acid anion 8:0

Any saturated fatty acid anion containing 8 carbons. Formed by deprotonation of the carboxylic acid moiety. Major species at pH 7.3.


epoxy(hydroxy)icosatrienoate

An icosanoid anion obtained by the deprotonation of the carboxy group of any epoxy(hydroxy)icosatrienoic acid.


N-glycoloyl-alpha-neuraminate

An N-glycoloylneuraminate that is conjugate base of N-glycoloyl-alpha-neuraminic acid arising from the deprotonation of the carboxy group. Major microspecies at pH 7.3.


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


An anionic ganglioside in which the oligosaccharide portion is composed of a disaccharide, to which one sialic acid residue is attached.


A mnocarboxylic acid anion that is the conjugate base of 13-[(9Z)-hexadecenoyloxy]octadecanoic 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 5,10-dihydrophenazine-1,6-dicarboxylic acid; major species at pH 7.3.


octadecenoate

A fatty acid anion containing 18 carbons and one double bond. Formed by deprotonation of the carboxylic acid group. Major species at pH 7.3.


fatty acid anion 26:0

Any saturated fatty acid anion containing 26 carbons. Formed by deprotonation of the carboxylic acid moiety. Major species at pH 7.3.


A member of the class of ribonates that is the  conjugate base of 2-deoxy-D-ribonic acid.


A cyclic tetrapyrrole anion that is the conjugate base of 12-ethyl-8-isobutyl-3-vinylbacteriochlorophyllide d, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Major species at pH 7.3.


A dicarboxylic acid monoamide(1-) that is the conjugate base of varespladib resulting from the deprotonation of the carboxy group; major species at pH 7.3.


Any dicarboxylic acid carrying a hydroxy group on the carbon atom at position alpha to the carboxy group. Major species at pH 7.3.


beta-D-glucuronate

A D-glucopyranuronate that has beta configuration at the anomeric centre.


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


An oxo dicarboxylate obtained by deprotonation of both carboxy groups of 2,5-dichloro-4-oxohex-2-enedioic acid.


A precorrin carboxylic acid anion obtained by deprotonation of the carboxy groups of cobalt-precorrin-6A; major species at pH 7.3.


stellatate

A monocarboxylic acid anion that is the conjugate base of stellatic acid arising from the deprotonation of the carboxy group; major species at pH 7.3.


(omega-1)-hydroxy fatty acid anion

A hydroxy fatty acid anion obtained by deprotonation of the carboxy group of any (omega-1)-hydroxy fatty acid; major species at pH 7.3.


A monounsaturated fatty acid anion that is the conjugate base of 10-nonadecenoic acid.


A fatty acyl-CoA(4-) arising from deprotonation of phosphate and diphosphate functions of (9S,13S)-1a,1b-dinor-10,11-dihydro-12-oxo-15-phytoenoyl-CoA; major species at pH 7.3.


N-acyl-D-alpha-amino acid anion

The conjugate base of an N-acyl-D-alpha-amino acid arising from deprotonation of the C-1 carboxy group.


An N-acyl-L-alpha-amino acid anion resulting from the deprotonation of the carboxy group of N(2)-[4-(2,4-dichlorophenoxy)butanoyl]-L-glutamine. The major species at pH 7.3.


An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy groups of 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.


grixazone A(1-)

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


The conjugate base of (R)-3-hydroxybutyric acid.


Conjugate base of (2S,3S)-2,3-dihydroxy-2,3-dihydrobenzoic acid.


oxooctadecadienoate

An  polyunsaturated fatty acid anion that is any octadecadienoate that contains one or more oxo substituents.


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


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


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

description: The conjugate base of magnesium 13(1)-oxoprotoporphyrin 13-monomethyl ester, formed by deprotonation of the carboxyethyl group at C-17. It is the principal species at pH 7.3.


Trianion of xanthosine 5'-diphosphate arising from deprotonation of all three OH groups of the diphosphate.


A carboxylic acid anion obtained by global deprotonation of the carboxy groups of poly(4-vinylbenzoic acid).


A hydroxy fatty acid anion that is the conjugate base of 8-hydroxylauric acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


name: Mo(VI)-oxido Se-molybdopterin cytosine dinucleotide(4-)

description: An organophosphate oxoanion obtained by deprotonation of the diphosphate OH groups of Mo(VI)-oxido Se-molybdopterin cytosine dinucleotide(2-).


Conjugate base of (15Z)-12-oxophyto-10,15-dienoic acid.


sulfohexosyl ceramide(1-)

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


An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy groups of ganglioside GD1a; major species at pH 7.3.


Trianion of 2-(carboxymethyl)-5-oxo-2,5-dihydro-3-furoic acid arising from deprotonation of the two carboxy groups as well as removal of the acidic proton at C2; major species at pH 7.3.


Conjugate base of 5-deoxy-D-glucuronic acid.


The dianion obtained by removal of the two acidic protons from the phosphate group of 2-amino-5-formylamino-6-(1-D-ribosylamino)pyrimidin-4(3H)-one 5'-phosphate.


The carboxylate anion of 4-(hydroxymethylphosphinyl)-2-oxobutyric acid.


imidazolyl carboxylic acid anion

A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of an imidazolyl carboxylic acid.


The conjugate base of 3alpha-hydroxyglycyrrhetinic acid; major species at pH 7.3.


An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy groups of ganglioside GP1calpha; major species at pH 7.3.


pentalenolactone D(1-)

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


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


A carboxylic acid anion resulting from the deprotonation of the carboxy group of 3-acetamido-4-hydroxybenzoic acid. The major microspecies at pH 7.3.


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


A polyunsaturated fatty acid anion that is the conjugate base of 12(R)-HETE, 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-stearoyl-(3-O-sulfo-D-galactosyl)sphingosine; major species at pH 7.3.


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


penilactone B(1-)

Major microspecies at pH 7.3.


2-hydroxy fatty acid anion 22:0

A hydroxy fatty acid anion 22:0 in which the hydroxy substituent is located at position 2.


A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of a haloacetic acid.


cis-parinarate

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


A 6-oxo monocarboxylic acid anion that is the conjugate base of 3-isopropenyl-6-oxoheptanoic acid; major species at pH 7.3.


A steroid glucuronide anion that is the conjugate base of 17alpha-estradiol 7-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


An unsaturated fatty acid anion that is the conjugate base of trans-2-dodecenoic acid obtained by deprotonation of the carboxy group; major species at pH 7.3.


Conjugate base of 2-(alpha-D-mannosyl)-D-glyceric acid


The dicarboxylic acid dianion formed from folic acid by loss of a proton from each of the two carboxy groups in the glutamic acid moiety.


estriol 17-O-(beta-D-glucuronide)(1-)

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


A tricarboxylic acid trianion resulting from the deprotonation of all three carboxy groups of vibrioferrin. The major species at pH 7.3.


L-isoleucinate

The L-enantiomer of isoleucinate.


A dicarboxylic acid dianion resulting from removal of a proton from both carboxy groups of trans-2-carboxybenzylidenepyruvic acid.


A dicarboxylic acid dianion resulting from the deprotonation of the carboxy groups of (4E,15E)-bilirubin-IXalpha  C12-beta-D-glucosyluronic acid; major species at pH 7.3.


N-myristoylglycinate

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


bis(hydroperoxy)icosatetraenoate

An icosanoid anion arising from deprotonation of the carboxylic acid function of any dihydroperoxyicosatetraenoic acid; major species at pH 7.3.


A carbohydrate acid derivative anion obtained by deprotonation of the carboxy groups of any alpha-N-acetylneuraminosyl-(2->3)-beta-D-galactosyl-(1->3)-[alpha-N-acetylneuraminosyl-(2->6)]-N-acetyl-beta-D-galactosaminide; major species ar pH 7.3.


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


beta-D-glucosiduronate

A carbohydrate acid derivative anion obtained by deprotonation of the carboxy group of any beta-D-glucosiduronic acid; major species at pH 7.3.


The anion resulting from the removal of a proton from the carboxylic acid group of cis-1,6-dihydroxycyclohexa-2,4-dienecarboxylic acid.


gamma-CEHC beta-glucuronide anion

A dicarboxylic acid anion obtained by deprotonation of at least one of the carboxy groups of gamma-CEHC beta-glucuronide.


A 2-acetamido-2-deoxy-3-O-(4-deoxy-alpha-L-threo-hex-4-enopyranosyluronate)-6-O-sulfonato-D-galactopyranose(2-) in which the galactose moiety has beta-configuration at the anomeric centre.


11-dehydro-thromboxane B2(1-)

A thromboxane anion that is the conjugate base of 11-dehydro-thromboxane B2, obtained by deprotonation of the carboxy group; major species at pH 7.3.


fatty acid anion 16:0

Any saturated fatty acid anion containing 16 carbons. Formed by deprotonation of the carboxylic acid moiety. Major species at pH 7.3.


prostaglandin B2(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of prostaglandin B2, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A 3-oxo monocarboxylic acid anion obtained by deprotonation of the carboxy group of 2-aminobenzoylacetic acid; major species at pH 7.3.


The conjugate base of N-(2,3-dihydroxybenzoyl)-L-serine; major species at pH 7.3.


An omega-hydroxy fatty acid anion resulting from deprotonation of the carboxy group of 21-hydroxyhenicosanoic acid. The major species at pH 7.3.


A steroid glucuronide anion that is the conjugate base of 5beta-pregnane 3alpha,20alpha-diol 3-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic group; major species at pH 7.3.


squarate

A carbon oxoanion which is the dianion obtained by the deprotonation of the hydroxy group of hydrogensquarate.


A hydroxy monocarboxylic acid anion that is the conjugate base of 2-hydroxy-3-methylbutyric acid, formed by loss of a proton from the carboxy group.


The tetra-anion obtained by removal of all of the protons from the phosphate groups of D-glycero-alpha-D-manno-heptose 1,7-bisphosphate.


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


A cyclic tetrapyrrole anion obtained by deprotonation of the carboxy groups of 15,17(3)-seco-F430-17(3)-acid; major species at pH 7.3.


hepoxilin anion

Any straight-chain fatty acid anion that is the conjugate base of a mono-hydroxy epoxy icosatrienoic acid formed when the carboxy group of the carboxylic acid is deprotonated.


N-oleoyl-L-isoleucinate

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


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


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


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


tricosanoate

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


The benzoate anion formed by proton loss from the carboxy group of 4-isothiocyanatobenzoic acid


A dihydroxybenzoate that is the conjugate base of 5-methylorsellinic acid, obtained by the deprotonation of the carboxy group. It is the major species at pH 7.3.


A 2-hydroxy fatty acid anion that is the conjugate base of 2-hydroxytetracosanoic acid (also known as 2-hydroxylignoceric or cerebronic acid), obtained by deprotonation of the carboxy group; major species at pH 7.3.


A dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of 3-methyladipic acid.


trans-caffeate

The conjugate base of trans-caffeic acid; major species at pH 7.3.


(4Z,7Z)-deca-4,7-dien-1-yl sulfate

An organosulfate oxoanion that is the conjugate base of (4Z,7Z)-deca-4,7-dien-1-yl hydrogen sulfate. It has been isolated from Daphnia pulex and has been shown to cause morphological changes in the green alga Scenedesmus gutwinskii.


urocanate

An monocarboxylic acid anion that is the conjugate base of urocanic acid.


nonylsulfamate

An organic sulfamate oxoanion that is the conjugate base of nonylsulfamic acid. It has been isolated from Daphnia pulex and has been shown to cause morphological changes in the green alga Scenedesmus gutwinskii.


An icosanoid anion that is the conjugate base of (6Z,8E,10E,14Z,16E,18R)-5,12,18-trihydroxyicosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A dicarboxylic acid dianion resulting from the deprotonation of the two carboxy groups of 3-hydroxyglutaric acid; major species at pH 7.3.


The dicarboxylate anion of limonoic acid; major species at pH 7.3.


A monocarboxylic acid anion and organophosphate oxoanion resulting from the deprotonation of both the carboxy group and the phosphate group of ditrans,polycis-dodecaprenyl phosphate-GalA. The major species at pH 7.3.


alpha-D-glucosiduronate

The carboxylate anion formed from an alpha-D-glucosiduronic acid


lithocholate sulfate(2-)

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


A hydroxy fatty acid anion that is the conjugate base of 11-hydroxymyristic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


catechol beta-D-glucuronide(1-)

A carbohydrate acid derivative anion resulting from the removal of a proton from the carboxy group of catechol beta-D-glucuronide.


An organic anionic group obtained by deprotonation of the phosphinic acid and the carboxylic acid groups; major microspecies at pH 7.3.


An aldehydic acid anion resulting from the deprotonation of the carboxy group of (2Z,4E)-4-hydroxymuconic semialdehyde.


N-carbamoyl-L-alaninate

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


A tetrahydro-4-hydroxyphenylpyruvate obtained by deprotonation of the carboxy group of 3-[(1R,4R)-4-hydroxycyclohex-2-en-1-yl]pyruvic acid; major species at pH 7.3.


cholanic acid conjugate anion

An organic anion obtained by deprotonation of any cholanic acid conjugate.


13,14-dihydro-15-oxolipoxin A4(1-)

A hydroxy fatty acid anion obtained by deprotonation of the carboxy function of 13,14-dihydro-15-oxolipoxin A4; major species at pH 7.3.


A 2-oxo monocarboxylic acid anion that is the conjugate base of 2-aminophenylglyoxylic acid, obtained by deprotonation of the carboxy group.


A tricarboxylic acid trianion, obtained by deprotonation of the three carboxy groups of citric acid.


mycobilin b(2-)

A linear tetrapyrrole anion obtained by deprotonation of the two carboxy groups of mycobilin b; major species at pH 7.3.


A hydroperoxyoctadecatrienoate obtained by deprotonation of the carboxylic acid group of (9Z,11S,12Z,15Z)-11-hydroperoxyoctadecatrienoic acid. Major microspecies at pH 7.3.


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


An L-alpha-amino-acid anion obtained by deprotonation of the carboxy group of N-(gamma-L-glutamyl)-2-naphthylamine.


A docosanoid anion that is the conjugate base of (7Z,10Z,14E,16Z,19Z)-13-oxodocosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Conjugate base of 15(S)-HPETE arising from deprotonation of the carboxylic acid function.


A 3-methoxy-4-hydroxy-5-all-trans-polyprenylbenzoate in which the polyprenyl component is specified as heptaprenyl.


Major species at pH 7.3


gibberellin A14 aldehyde(1-)

A carboxylic acid anion obtained by deprotonation of the carboxy group of gibberellin A14 aldehyde.


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


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


A tricarboxylic acid trianion that is the conjugate base of 3-oxalomalic acid.


An organophosphate oxoanion obtained by deprotonation of the carboxy and phosphate OH groups of (9S,10R)-10-hydroxy-9-(phosphonatooxy)octadecanoic acid; major species at pH 7.3.


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


A carbohydrate acid anion obtained by deprotonation of the carboxy group of any 3-deoxy-D-manno-octulosonic acid


A C78 alpha-mycolate having a C52 meromycolic chain with two cis cyclopropyl functions and a saturated C26 alpha-branch. It is produced by Mycobacterium tuberculosis H37Ra.


nocamycin E(2-)

A carboxylic acid dianion that is a dianion resulting from the deprotonation of the carboxy group and the enol group of nocamycin E. The major species at pH 7.3.


N-hydroxy-L-tyrosinate

Conjugate base of N-hydroxy-L-tyrosine.


The conjugate base of trans-2-chloro-4-carboxymethylenebut-2-en-1,4-olide; major species at pH 7.3.


D-glucuronate 1-phosphate

A carbohydrate acid derivative anion arising from selective deprotonation of the carboxy function of D-glucuronic acid 1-phosphate.


zealexin A1(1-)

A monocarboxylic acid anion resulting forom the deprotonation of the carboxy group of zealexin A1. The major speciess at pH 7.3.


Dianion of (R)-2-O-sulfolactic acid arising from deprotonation of carboxylic acid and sulfate functions.


succinyladenosine anion

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


A dimethylbenzoate in which the two methyl groups are located at positions 3 and 4.


An N-acyl-L-alpha-amino acid anion obtained by deprotonation of the carboxy group of any N-(12-hydroxyjasmonyl)-L-alpha-amino acid.


ganglioside GD1(2-)

An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy groups of any member of the GD1 family of gangliosides; major species at pH 7.3.


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


An alpha-amino-acid anion that is the conjugate base of (2S,5S)-5-carboxymethylproline, obtained by deprotonation of the two carboxy groups and protonation of the endocyclic amino group.


4-(acetylamino)-3-hydroxyphenyl sulfate

A phenyl sulfate oxoanion that is the conjugate base of 4-(acetylamino)-3-hydroxyphenyl hydrogen sulfate, obtained by deprotonation of the sulfate group; major species at pH 7.3.


A docosanoid anion obtained by deprotonation of the two carboxy groups and protonation of the alpha-amino group of (8S)-cystein-S-yl-(7R,17S)-dihydroxy-(4Z,9,11,13Z,15E,19Z)-docosahexaenoic acid; major species at pH 7.3.


An optically active form of 4-hydroxy-2-oxoglutarate(2-) having L-configuration.


sulfosungeidine F

Major microspecies at pH 7.3.


N-acetyl-beta-alaninate

Conjugate base of N-acetyl-beta-alanine; major species at pH 7.3.


A methoxybenzoate that is the conjugate base of 3-methoxybenzoic acid resulting from the deprotonation of the carboxy group; major species at pH 7.3.


leukotriene E4(1-)

The leukotriene anion that is the conjugate base of leukotriene E4 arising from deprotonation of the two carboxy groups and protonation of the cysteinyl alpha-amino group.


prostaglandin H1(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of prostaglandin H1, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A bile acid anion that is the conjugate base of 7alpha-hydroxy-3-oxochol-4-en-24-oic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


The conjugate base of 5-oxo-D-proline; major species at pH 7.3.


An oxo monocarboxylic acid anion that is the conjugate base of loxoprofen, obtained by deprotonation of the carboxy group.


A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of N-carbamoyl-D-phenylglycine. The major microspecies species at pH 7.3.


epoxydocosahexaenoate

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


The conjugate base of a succinic acid monoester having an isopropyl substituent at the 2-position and a hydroxy substituent at the 3-position.


limonin 17-beta-D-glucoside(1-)

The conjugate base of limonin 17-beta-D-glucoside arising from deprotonation of the carboxy group.


homovanillate

A  hydroxy monocarboxylic acid anion which is obtained by deprotonation of the carboxy group of homovanillic acid.


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


glutaminate

An alpha-amino-acid anion that is the conjugate base of glutamine, arising from deprotonation of the carboxy group.


An unsaturated fatty acid anion arising from deprotonation of the carboxylic acid function of any epoxyicosatetraenoic acid.


A 15-HETE(1-) that is the conjugate base of 15(R)-HETE(1-), obtained by deprotonation of the carboxy group; 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,17alpha-diol disulfate.


octatriacontapentaenoate

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


An organosulfate oxoanion that is the conjugate base of N-acetyl-beta-D-galactosaminyl-(1->6)-[6-O-sulfo-beta-D-glucosyl-(1->3)]-N-acetyl-beta-D-galactosamine, arising from deprotonation of the sulfate OH group.


homomethioninate

The alpha-amino-acid anion that is the conjugate base of homomethionine obtained by deprotonation of the carboxy group.


5'-adenylyl sulfate(2-)

An organic dianion arising from deprotonation of the phosphate and sufate groups of 5'-adenylyl sulfate; major species at pH 7.3.


A tetratriacontapentaenoate that is the conjugate base of (16Z,19Z,22Z,25Z,28Z)-tetratriacontapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Conjugate base of threo-3-methyl-L-aspartic acid.


deacetoxycephalosporin C(1-)

Conjugate base of deacetoxycephalosporin C


A cephalosporin carboxylic acid anion having methoxy, 2-thienylacetamido and carbamoyloxymethyl side-groups, formed by proton loss from the carboxy group of the semisynthetic cephamycin antibiotic cefoxitin.


methoxy mycolate

An ultra-long-chain fatty acid anion that is the conjugate base of methoxy mycolic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


The monoanion formed by loss of a carboxylate proton from an aryl(methyl)malonic acid.


Dianion of an N-acyl-D-aspartic acid arising from deprotonation of both carboxylic acid groups.


A carbohydrate acid derivative anion obtained by deprotonation of the phosphate and carboxy groups of 3-deoxy-D-glycero-beta-D-galacto-nonulosonic acid 9-phosphate


isomyristate

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


L-serinate

A serinate that is the conjugate base of L-serine, obtained by deprotonation of the carboxy group.


Conjugate base of (3R)-3-hydroxy-L-aspartic acid arising from deprotonation of the two carboxy groups and protonation of the amino group; major species at pH 7.3.


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


short-chain fatty acid anion

Any fatty acid anion obtained by removal of a proton from the carboxy group of a short-chain fatty acid (chain length of less than C6).


A 3-hydroxy fatty acyl-CoA resulting from the formal condensation of the thiol group of coenzyme A with the carboxy group of (S)-3-hydroxypentanoic acid.


chondroitin 6'-sulfate anion

A polysaccharide acid oxoanion arising from global deprotonation of the carboxylic and sulfonic acid groups of the repeating units in chondroitin 6'-sulfate; major species at pH 7.3.


dicarboxylic acid monoamide(1-)

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


A trihydroxyicosatrienoate that is the conjugate base of 11,14,15-trihydroxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Conjugate base of an N-acyl-L-aspartic acid.


A hydroxydocosapentaenoate that is the conjugate base of (4Z,7Z,10Z,12E,14S,16Z)-14-hydroxydocosapentaenoic acid, arising from deprotonation of the carboxy group; major species at pH 7.3.


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


A dicarboxylic acid dianion obtained by deprotonation of the carboxy groups of 2-methylglutaric acid.


N-benzoylanthranilate

A benzoate that is the conjugate base of N-benzoylanthranilic acid arising from deprotonation of the carboxy group.


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


L-tyrosine methyl ester 4-sulfate(1-)

A phenyl sulfate oxoanion arising from arising from deprotonation of the sulfate OH group of L-tyrosine methyl ester 4-sulfate; major species at pH 7.3.


fatty acid anion 15:0

Any saturated fatty acid anion containing 15 carbons. Formed by deprotonation of the carboxylic acid moiety. Major species at pH 7.3.


o-orsellinate depsidate(1-)

Conjugate base of o-orsellinate depside.


The monocarboxylate anion of cromoglycic acid.


A carbohydrate acid anion that is the conjugate base of 5-dehydro-D-gluconic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A 12-HPEPE anion that is the conjugate base of 12(S)-HpEPE arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


Octacarboxylate anion of precorrin-6X.


hexadecanoate

A long-chain fatty acid anion that is the conjugate base of hexadecanoic acid (palmitic acid); major species at pH 7.3.


anionic ganglioside

Any carbohydrate acid derivative anion obtained by deprotonation of at least one of the neuraminosyl carboxy groups of a ganglioside.


tropate

A hydroxy monocarboxylic acid anion that results from the deprotonation of the carboxylic acid group of tropic acid.


The alpha-amino-acid anion formed by loss of a proton from the carboxy group of 4-hydroxyproline.


An omega-hydroxy fatty acid anion that is the conjugate base of 20-HETrE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An anionic ganglioside that is the conjugate base 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 arising from deprotonation of the neuraminosyl carboxy group; major species at pH 7.3.


ent-glycosmisate

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


retinoid glucosiduronic acid anion

A carbohydrate acid derivative anion formed by deprotonation of the carboxy group(s) of any retinoid glucosiduronic acid.


A dicarboxylic acid monoanion that is the conjugate base of iminoaspartic acid  and the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


A monounsaturated fatty acid anion that is the  conjugate base of (2E)-hexenoic acid.


An anionic ganglioside that is the conjugate base of beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->3)]-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.


Conjugate base of aminomalonic acid arising from deprotonation of the two carboxy groups and protonation of the amino group; major species at pH 7.3.


ganglioside GM1/1b(1-)

An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy groups of any member of the GM1/1b family of gangliosides; major species at pH 7.3. GM1/1b ganglioside head groups include 4 neutral sugar groups and 1 sialic acid group.


A carbohydrate acid derivative anion that is the conjugate base of 2-O-[alpha-D-glucosyl-(1->6)-alpha-D-glucosyl]-D-glyceric acid arising from deprotonation of the carboxy group; major species at pH 7.3.


The D-enantiomer of tyrosinate(2-).


A monocarboxylic acid anion that is the conjugate base of platensimycin resulting from the deprotonation of the carboxy group; major species at pH 7.3.


(E,E)-bilirubin anion

A linear tetrapyrrole anion obtained by deprotonation of at least one of the carboxy groups of (E,E)-bilirubin.


An organophosphate oxoanion obtained by deprotonation of the phosohate and carboxy groups of L-threonylcarbamoyladenylate.


hexadecadienoate

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


An N-acyl-(3-O-sulfo-D-galactosyl)sphingosine(1-) in which the ceramide N-acyl group is composed of 24 carbons, 1 double bond and a hydroxy group at C2.


An optically active form of tyrosinate having L-configuration.


chlorophenoxyacetate anion

A monocarboxylic acid anion obtained by deprotonation of the carboxy group of any chlorophenoxyacetic acid.


A monocarboxylic acid anion that is the conjugate base of 4,4'-diapolycopen-4-oic acid; obtained by deprotonation of the carboxy group; major species at pH 7.3.


A (2R)-2-hydroxy monocarboxylic acid anion resulting from the removal of a proton from the carboxylic acid group of (R)-3-phenyllactic acid.


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


A 2-hydroxy carboxylate that results from the removal of a proton from the carboxylic acid group of 3-phenyllactic acid.


An optically active form of 6-hydroxy-3-isopropenylheptanoate having (3R,6R)-configuration. Product of the hydrolysis of (4R,7R)-4-isopropenyl-7-methyloxepan-2-one.


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


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


Major microspecies at pH 7.3.


The conjugate base of 3-mercaptopyruvic acid.


A 2-hydroxy-6-oxo-2,4-heptadienoate which has 2Z,4E configuration. Obtained by deprotonation of the carboxy group of (2Z,4E)-2-hydroxy-6-oxohepta-2,4-dienoic acid, it is the major species at pH 7.3.


A linear 5'-hydroxy-diadenylate with a cyclic 2',3' phosphate terminus; major species at pH 7.3.


An icosanoid anion that is the conjugate base of 18-HEPE, arising from deprotonation of the carboxylic acid group; major species at pH 7.3.


naptalamate

A monocarboxylic acid anion that is the conjugate base of naptalam; major species at pH 7.3.


A 1-(alk-1-enyl)-2-acyl-sn-glycero-3-phosphate(2-) obtained by deprotonation of the phosphate OH groups of any 1-(Z)-alk-1-enyl-2-acyl-sn-glycero-3-phosphate; major species at pH 7.3.


thromboxane anion

A prostanoid anion that is the conjugate base of a thromboxane.


monocarboxylic acid anion

A carboxylic acid anion formed when the carboxy group of a monocarboxylic acid is deprotonated.


Any octadecatrienoate having double bonds at positions 9, 11 and 15.


An icosanoid anion that is the conjugate base of 5,20-DiHETE, arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


A C81 alpha-mycolate having a C55 meromycolic chain with two cis cyclopropyl functions and a saturated C26 alpha-branch. It is produced by Mycobacterium tuberculosis H37Ra.


An oxo dicarboxylic acid dianion arising from deprotonation of both carboxy groups of 2-hydroxy-3-oxosuccinic acid; major species at pH 7.3.


omega-hydroxydotriacontanoate

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


A tricarboxylic acid trianion obtained by deprotonation of the three carboxy groups of cis-trihomoaconitic acid; major species at pH 7.3.


An oxo dicarboxylic acid dianion that is the conjugate base of 2-oxosuberic acid resulting from the deprotonation of the two carboxy groups. Major microspecies at pH 7.3.


An anionic ganglioside that is the conjugate base of N-acetyl-beta-D-galactosaminyl-(1->4)-[alpha-N-glycoloylneuraminosyl-(2->3)]-beta-D-galactosyl-(1->4)-N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-ceramide arising from deprotonation of the glycoloylneuraminosyl carboxy group; major species at pH 7.3.


A 14,15-EET(1-) that is the conjugate base of (14S,15R)-EET, 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 3.


Major microspecies at pH 7.3.