An hydroperoxy(hydroxy)icosatetraenoate that is the conjugate base of (5S,6R)-dihydroxy-(15S)-hydroperoxy-(7E,9E,11Z,13E)-icosatetraenoic acid; major species at pH 7.3.


A 2-oxo monocarboxylic acid anion that is the conjugate base of 3-methyl-2-oxobutanoic acid, arising from deprotonation of the carboxy group.


estrone 3-O-(beta-D-glucuronide)(1-)

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


gibberellin A4(1-)

A gibberellin carboxylic acid anion that is the conjugate base of gibberellin A4, obtained by deprotonation of the carboxy group.


dotriacontahexaenoate

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


Octacarboxylate anion of precorrin-5.


A carbohydrate acid derivative anion obtained by deprotonation of the carboxy and sulfo groups of 6-deoxy-6-sulfo-D-gluconic acid; major species at pH 7.3.


An icosanoid anion that is the conjugate base of (5S)-hydroperoxy-18-hydroxy-EPE, arising from deprotonation of the carboxylic acid group; major species at pH 7.3.


A tricarboxylic acid anion that is the conjugate base of mugineic acid. Major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


An 8,9-EET(1-) that is the conjugate base of (8R,9S)-EET, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An organophosphate oxoanion arising from deprotonation of the phosphate OH and carboxy groups of 3-ADP-2-phosphoglyceric acid; major species at pH 7.3.


A hydroperoxyoctadecatrienoate that is the conjugate base of (9S,10E,12Z,14E,16S)-9,16-bis(hydroperoxy)octadecatrienoic acid, obtained by deprotonation of the carboxy group. Major microspecies at pH 7.3.


Trianion of (R)-3-hydroxy-2-oxo-4-phosphonooxybutanoic acid arising from deprotonation of both the carboxyl and phosphate functions.


A 3-methoxy-4-hydroxy-5-all-trans-polyprenylbenzoate in which the polyprenyl chain contains 6 prenyl units; major species at pH 7.3.


The dicarboxylate anion of (S)-methylsuccinic acid; major species at pH 7.3.


trans-sinapate

A member of the class of cinnamates that is the conjugate base of trans-sinapic acid.


An N-acetylneuraminate that is the conjugate base of any alpha-N-acetylneuraminyl-(2->3)-beta-D-galactoside, obtained by deprotonation of the carboxy group; major species at pH 7.3.


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


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


2-aminomuconate 6-semialdehyde(1-)

Conjugate base of 2-aminomuconic 6-semialdehyde arsing from deprotonation of the carboxylic acid function.


triacontatetraenoate

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


Heptaanion of precorrin-8X.


Major microspecies at pH 7.3.


A  dihydroxybenzoate that is the conjugate base of 2,5-dihydroxybenzoic acid; major species at pH 7.3.


A cephalosporin carboxylic acid anion having [(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]methyl and (1H-tetrazol-1-ylacetyl)amino side-groups, formed by proton loss from the carboxy group of cefazolin.


A HETE anion that is the conjugate base of 17-HETE, arising from deprotonation of the carboxy group; major species at pH 7.3.


A HEPE(1-) that is the conjugate base of 12-HEPE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


isolithocholate

A bile acid anion that is the conjugate base of isolithocholic acid, obtained by deprotonation of the carboxy group. The 3beta-hydroxy epimer of lithocholate. It is the major microspecies at pH 7.3.


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


A dicarboxylic acid monoanion that is the conjugate base of O-adipoylcarnitine; major spoecies at pH 7.3.


(+)-artemisinate

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


cholesterol sulfate(1-)

A steroid sulfate oxoanion obtained by deprotonation of the sulfo group of cholesterol sulfate; major species at pH 7.3.


biotinate sulfoxide(1-)

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


A carboxylic acid trianion resulting from the deprotonation of the phosphate group and both carboxy groups of 7,8-dihydromethanopterin. The major species at pH 7.3.


Major species at pH 7.3.


N-acetyl-L-tryptophanate

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


octylsulfamate

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


A prostanoid anion obtained by deprotonation of the three carboxy groups and protonation of the glutamyl alpha-amino group of 15-deoxy-Delta(12,14)-prostaglandin J2-S-glutathione conjugate; major species at pH 7.3.


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


A 2,3-dichloromuconate(2-) obtained by deprotonation of the carboxy groups of (2Z,4Z)-2,3-dichloromuconic acid. Major species at pH 7.3


A precorrin carboxylic acid anion obtained by global deprotonation of the carboxy groups of cobalt-precorrin-6B.


Any octadecatrienoate having double bonds at positions 9, 11 and 14.


The monocarboxylic acid anion that is the conjugate base of aminocyclopyrachlor formed by loss of a proton from thecarboxy group.


A dicarboxylic acid dianion that is the conjugate base of 2-benzylsuccinic acid.


A (7Z,10Z,12E,16Z,19Z)-14-hydroperoxydocosapentaenoate in which the chiral centre at position 14 has S-configuration.


Fe-coproporphyrin III(4-)

A cyclic tetrapyrrole anion obtained by the deprotonation of the four carboxy functions of Fe-coproporphyrin III.


name: reduced coenzyme F420-(gamma-Glu)n polyanion

description: A polyanionic polymer obtained by global deprotonation of the carboxy and phosphate groups of reduced coenzyme F420-(gamma-Glu)n. Major microspecies at pH 7.3


N-hydroxy-L-dihomomethioninate

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


linolenate

A polyunsaturated fatty acid anion obtained by deprotonation of the carboxy group of either alpha- or gamma-linolenic acid.


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


A hydroxy monocarboxylic acid anion that is the conjugate base of 3-hydroxy-5,9,17-trioxo-4,5:9,10-disecoandrosta-1(10),2-dien-4-oic acid.


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


desferrialbomycin delta1(3-)

A hydroxamic acid anion resulting from the removal of a proton from each of the hydroxamic acid groups of desferrialbomycin delta1.


The conjugate base of 3-[(5R,6S)-5,6-dihydroxycyclohexa-1,3-dienyl]acrylic acid; major species at pH 7.3.


Conjugate base of 3-epi-3-hydroxy-2'-deoxymugineic acid.


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


An unsaturated long-chain fatty acid anion and the conjugate base of vaccenic acid, arising from deprotonation of the carboxylic acid group.


N,N-dihydroxy-L-dihomomethioninate

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


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


An optically active form of (S)-3-sulfonatolactate having (S)-configuration.


hydroperoxy fatty acid anion

A fatty acid anion that is the conjugate base of any hydroperoxy fatty acid, formed by deprotonation of the carboxylic acid moiety.


An acyl-CoA(4-) obtained by deprotonation of the phosphate and diphosphate OH groups of 3,5,7-trioxododecanoyl-CoA; major species at pH 7.3.


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


isonocardicin A(1-)

Conjugate base of isonocardicin A zwitterion where both carboxy groups are deprotonated while the homoserine amino group is protonated.


An undecenoate that is the conjugate base of 10-undecenoic acid.


tetracosanoate

A straight-chain saturated fatty acid anion that is the conjugate base of tetracosanoic acid (lignoceric acid), formed by deprotonation of the carboxy group.


3-vinylbacteriochlorophyllide a(2-)

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


A 5-oxo monocarboxylic acid anion obtained by deprotonation of the carboxy and sulfate groups of 12-sulfojasmonic acid. Major species at pH 7.3


fatty acid anion 12:0

Any saturated fatty acid anion containing 12 carbons. Formed by deprotonation of the carboxylic acid moiety. Major species at pH 7.3.


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


Major species at pH 7.3


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


daidzein monosulfate(1-)

An organosulfate oxoanion obtained by deprotonation of the sulfo group of any daidzein monosulfate.


N-jasmonyl-L-alpha-amino acid anion

An N-acyl-L-alpha-amino acid anion obtained by deprotonation of the carboxy group of any N-jasmonyl-L-alpha-amino acid; major species at pH 7.3.


Conjugate base of 5-chlorosalicylic acid.


A thromboxane anion that is the conjugate base of 18-hydroxycarbocyclic thromboxane A2, obtained by deprotonation of the carboxy group; major species at pH 7.3.


isopenicillin N(1-)

Conjugate base of isopenicillin N.


N-hydroxytetrahomomethioninate

Conjugate base of N-hydroxytetrahomomethionine.


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


(R)-mevalonate

The (R)-enantiomer of mevalonate.


An hydroperoxy(hydroxy)icosatetraenoate that is the conjugate base of (5S)-hydroxy-(15S)-hydroperoxy-(6E,8Z,11Z,13E)-icosatetraenoic acid; major species at pH 7.3.


A precorrin carboxylic acid anion obtained by deprotonation of the carboxy groups of cobalt-precorrin-3; major species at pH 7.3.


prostaglandin F2alpha(1-)

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


2-methoxyresorcinol sulfate(1-)

A phenyl sulfate oxoanion that is the conjugate base of 2-methoxyresorcinol sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3.


The monocarboxylic acid anion obtained by removal of a proton from the carboxylic acid group of (8E,10S,12Z,15Z)-10-hydroperoxyoctadeca-8,12,15-trienoic acid.


A dimethylbenzoate in which the two methyl groups are located at positions 2 and 4.


A hexadienedioate compound having a 2-hydroxy substituent.


A hydroxy monocarboxylic acid anion that is the conjugate base of 3alpha-hydroxy-3,5-dihydromonacolin L acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


sulfur-containing amino-acid anion

A sulfur-containing amino acid whose alpha-carboxylic acid group is ionized (not protonated).


A glucaric acid anion that is the dianion obtained by the deprotonation of both the carboxy groups of glucaric acid.


ganglioside GP1(5-)

An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy groups of any member of the GP1 family of gangliosides; major species at pH 7.3.


A dicarboxylic acid anion arising from deprotonation of both carboxylic acid functions of 5,6,7,8-tetrahydrofolic acid; major structure at pH 7.3


A hexacosenoate that is the conjugate base of (9Z)-hexacosenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Conjugate base of 7alpha,12alpha-dihydroxy-3-oxochol-4-en-24-oic acid.


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


13,14-dihydroprostaglandin F2alpha(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of 13,14-dihydroprostaglandin F2alpha, obtained by deprotonation of the carboxy group; major species at pH 7.3.


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


Conjugate base of 2,3-dihydroxy-2,3-dihydrobenzoic acid.


A carbohydrate acid derivative anion obtained by deprotonation of the carboxy and 7-hydroxy groups of cyanidin 3-O-[6-O-(4-O-beta-D-glucosyl-p-coumaroyl)-2-O-(beta-D-xylosyl)-beta-D-glucosyl]-5-O-(6-O-malonyl-beta-D-glucoside)


An organosulfate oxoanion arising from deprotonation of the sulfo and carboxy groups of (S)-2-O-sulfolactic acid.


globostellatate D(1-)

An oxo monocarboxylic acid anion obtained by the deprotonation of the carboxy group of globostellatic acid D.


Major species at pH 7.3.


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


A carbohydrate acid anion that is the conjugate base of D-glucaro-1,5-lactone, obtained by deprotonation of the carboxy group; major species at pH 7.3.


(S,S,S)-nicotianamine monoanion

The tricarboxylic acid monoanion that is the conjugate base of (S,S,S)-nicotianamine, resulting from deprotonation of the central carboxy group and zwitterion formation of the other two. One of two major microspecies at physiological pH.


A steroid glucuronide anion that is the conjugate base of hyodeoxycholic acid 6-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid functions; major species at pH 7.3.


A mannarate(1-) that is the conjugate base of L-mannaric acid.


A hydroxy monocarboxylic acid anion that is the conjugate base of 3-(3,4-dihydroxyphenyl)lactic acid; major species at pH 7.3.


salicyluric beta-D-glucuronide(1-)

A carbohydrate acid derivative anion that is the conjugate base of salicyluric beta-D-glucuronide, 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 5alpha-androstane-3alpha,17beta-diol 3-glucosiduronic acid; major species at pH 7.3.


quercetin 3,3',7-trissulfate(4-)

A flavonoid oxoanion that is a tetraanionic form of quercetin 3,3',7-trissulfate. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


(R)-lactate

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


A hydroperoxy fatty acid anion resulting from the deprotonation of the carboxy group of 9-hydroperoxy-10E-octadecenoic acid. The major species at pH 7.3.


20-hydroxy-20-oxoleukotriene B4(2-)

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


The conjugate base of 2-dehydro-3-deoxy-D-galactonic acid; major species at pH 7.3.


alaninate

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


A hydroxy monocarboxylic acid anion that is the conjugate base of (4E,6E)-3-hydroxydeca-4,6-dienoic acid.


desferrioxamine B(3-)

A hydroxamic acid anion resulting from the removal of a proton from each of the hydroxamic acid groups of desferrioxamine B


A phthalate that is the conjugate base of phthalic acid.


A hydroxy monocarboxylic acid anion resulting from the deprotonation of the carboxy group of (3R)-3-{[(3R)-3-{[(3R)-3-hydroxybutanoyl]oxy}butanoyl]oxy}butanoic acid. It is a trimer of (3R)-hydroxybutanoate; major microspecies at pH 7.3.


Major microspecies at pH 7.3


A UDP-2-acetamido-2-deoxy-D-glucuronate(3-) having alpha-configuration at the anomeric centre.


tetracosahexaenoate

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


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


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


L-serine O-sulfate(1-)

Conjugate base of L-serine O-sulfate having the carboxylic acid and sulfate functions in anionic form and a protonated nitrogen.


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


15-dehydroprostaglandin A1(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of 15-dehydro-prostaglandin A1, obtained by deprotonation of the carboxy group.; major species at pH 7.3.


The conjugate base of 3-hydroxy-3-methyl-2-oxopentanoic acid.


A hydroxy monocarboxylic acid anion that is the conjugate base of (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid, obtained by deprotonation of the carboxy group.


tryptophanate

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


An alpha-amino-acid anion obtained via deprotonation of the carboxy and phoisphate groups as well as protonation of the amino and guanidino groups of N-phospho-L-lombricine; major species at pH 7.3.


butyrylglycinate

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


Major species at pH 7.3.


omega-hydroxy fatty acid anion

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


fatty acid anion 18:0

Any saturated fatty acid anion containing 18 carbons. Formed by deprotonation of the carboxylic acid moiety. Major species at pH 7.3.


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


The mono-anion resulting from the removal of a proton from one of the carboxyic acid groups of ertapenem.


name: polyunsaturated dicarboxylic acid dianion

description: A dicarboxylic acid dianion having 2 or more units of unsaturation.


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


docosadienoate

A fatty acid anion with 22 carbons and 2 double bonds. Major species at pH 7.3.


The (E)-isomer of 3-[(5S,6R)-5,6-dihydroxycyclohexa-1,3-dienyl]acrylate.


A hydroxy fatty acid ascaroside anion that is the conjugate base of oscr#31, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A 2-oxo monocarboxylic acid anion resulting from the removal of the proton from the carboxy group of 2-oxooctadecanoic acid (stearic acid). The major species at pH 7.3.


Conjugate base of 4-oxoproline.


A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of (4S)-4,16-dihydroxyretinoic acid.


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


A steroid glucuronide anion that is the conjugate base of 2-hydroxy-17beta-estradiol 2-O-(beta-D-glucuronide) arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


D-serinate

The D-enantiomer of serinate.


The dianion formed by removal of a proton from each of the carboxylic acid groups of cefotetan.


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


N,N-dihydroxy-L-phenylalaninate

Conjugate base of N,N-dihydroxy-L-phenylalanine.


cyclic hexaadenylate(6-)

Cyclic hexaadenylate; major species at pH 7.3.


An aryl sulfate oxoanion that is the conjugate base of 5,7-dimethyl-2-methylamino-4-(3-pyridylmethyl)-1,3-benzothiazol-6-yl hydrogen sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3.


An anionic phospholipid obtained by deprotonation of the free carboxy group of 1-hexadecyl-2-glutaryl-sn-glycero-3-phosphocholine; major species at pH 7.3.


A 2-oxo monocarboxylic acid anion that is the conjugate base of 3-dimethylallyl-4-hydroxyphenylpyruvic acid.


Propan-1-ol with a hydrogen at each of the 3 carbon positions substituted with a carboxylate group.


A 5-oxo monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of jasmonic acid. The major species at pH 7.3.


soyasapogenol B 3-O-beta-glucuronate

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


A dicarboxylic acid dianion obtained by deprotonation of the carboxy groups of 5-formyltetrahydrofolic acid.


An  peptide anion obtained by deprotonation of the carboxylic acid groups and protonation of the amino group of 11(S),15(S)-dihydroxy-14(R)-(S-glutathionyl)-5(Z),8(Z),12(E)-icosatrienoic acid; major species at pH 7.3.


A dicarboxylic acid monoanion that is the conjugate base of O-suberoylcarnitine; major spoecies at pH 7.3.


The monocarboxylic acid anion formed by deprotonating cefuzonam at the carboxyl oxygen.


A steroid sulfate oxoanion that is the conjugate base of 16alpha-hydroxydehydroepiandrosterone 3-sulfate, arising from deprotonation of the sulfate OH group; major species at pH 7.3.


Major species at pH 7.3.


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


A compound comprising a 2-(5-hydroxy-4-oxo-4H-chromen-3-yl)phenyl sulfate core with a 9-1-(1-carboxy-2-oxoethoxy)-2-oxoethanolate substituent; a product of 6-O-{5-hydroxy-4-oxo-3-[2-(sulfooxy)phenyl]-4H-chromen-6-yl}-L-gulonic acid oxidation.


A dicarboxylate that contains four carbon atoms.


The organophosphate oxoanion and tricarboxylic acid trianion formed from sarcinapterin by loss of a proton from the phospho group and from each of the three carboxy groups; major microspecies present at pH 7.3.


A thiazolidinemonocarboxylate formed by proton loss from the carboxy group of amoxicilloyl-butylamine.


isoursodeoxycholate

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


docosapentaenoate

A polyunsaturated fatty acid anion that is the conjugate base of docosapentaenoic 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-androstan-3alpha,17beta-diol disulfate.


Conjugate base of 4-carboxymethylenebut-2-en-4-olide.


prostaglandin H2(1-)

Conjugate base of prostaglandin H2.


A polyunsaturated oxo fatty acid anion that is the conjugate base of 15-oxo-ETE.


sch 210972(2-)

A hydroxy monocarboxylic acid anion that is the conjugate base of sch 210972 resulting from the deprotonation of the carboxy and hydroxy groups. Major microspecies at pH 7.3.


(methylthio)acetate

A monocarboxylic acid anion that is the conjugate base of (methylthio)acetic acid.


prostaglandin F1alpha (1-)

Conjugate base of prostaglandin F1alpha.


hydrogenobyrinic acid a,c-diamide(2-)

A precorrin carboxylic acid anion that is the dianionic form of hydrogenobyrinic acid a,c-diamide. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


An organic sulfamate oxoanion that is the conjugate base of (8-methylnonyl)sulfamic acid. It has been isolated from Daphnia pulex and has been shown to cause morphological changes in the green alga Scenedesmus gutwinskii.


A monocarboxylic acid anion that is the conjugate base of icas#10 resulting from the deprotonation of the carboxy group; Major species at pH 7.3.


2-hydroxy fatty acid anion 20:0

A hydroxy fatty acid anion 20:0 in which the hydroxy substituent is located at position 2.


pentalenate

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


The organophosphate oxoanion and tetracarboxylic acid anion formed from tatiopterin by loss of a proton from the phospho group and from each of the four carboxy groups; major microspecies present at pH 7.3.


(-)-vernolate

A vernolate that is the conjugate base of (-)-vernolic acid, resulting from the deprotonation of the carboxy group; Major species at pH 7.3.


deoxylimonoate

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


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

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


The monocarboxylic acid anion obtained by removal of a proton from the carboxy groups of (2xi)-D-gluco-heptonic acid.


fatty acid anion 17:0

Any saturated fatty acid anion containing 17 carbons. Formed by deprotonation of the carboxylic acid moiety. Major species at pH 7.3.


A hydroxy fatty acid ascaroside anion resulting from the deprotonation of the carboxy group of oscr#9. The conjugate base of oscr#9 and the major species at pH 7.3.


Major species at pH 7.3


gibberellin A25(2-)

A dicarboxylic acid anion obtained by deprotonation of both carboxy groups of gibberellin A25.


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


Conjugate base of 3,4,5-trimethoxycinnamic acid.


The conjugate base of diclofenac.


An EpETE(1-) that is the conjugate base of (5Z,11Z,14Z,17Z)-8,9-epoxyicosatetraenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A hydroxy monocarboxylic acid anion obtained by deprotonation of the carboxy and phosphate OH groups of (R)-2-hydroxy-3-oxo-4-(phosphonooxy)butanoic acid; major species at pH 7.3.


A dicarboxylic acid dianion obtained by deprotonation of the carboxy groups of phenazine-1,6-dicarboxylic acid; major species at pH 7.3.


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


cyanoamino acid anion

An amino acid anion modified by the addition of a cyano group.


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


A trimethylbenzoate in which the three methyl substituents are located at positions 2, 4 and 6.


18-hydroxythromboxane A2(1-)

A thromboxane anion that is the conjugate base of 18-hydroxythromboxane A2, obtained by deprotonation of the carboxy group; major species at pH 7.3.


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-D-galactopyranose arising from deprotonation of carboxylic acid and sulfate functions.


A 2-oxo monocarboxylic acid anion resulting from the deprotonation of the carboxy group of a 4-(3-hydroxy-1-benzothiophen-2-yl)-2-oxobut-3-enoic acid.


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


A 2-hydroxy fatty acid anion with a chain that is composed of 24 carbons and 2 double bond (positions unspecified).


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


N-tetracosanoylglycinate

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


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


phenylglyoxylate

A member of the class of glyoxylates, that is obtained by removal of a proton from the carboxylic acid group of phenylglyoxylic acid.


Trianion of (R)-5-phosphomevalonic acid arising from deprotonation of the carboxy and phosphate OH groups; major species at pH 7.3.


A hydroxy monocarboxylic acid anion that is the conjugate base of 3-hydroxyphenylacetic acid; major species at pH 7.3.


A hydroxy monocarboxylic acid anion that is the conjugate base of cis,cis-2,4-dihydroxy-5-methyl-6-oxo-2,4-hexadienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


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


A 3-[(5R,6S)-5,6-dihydroxycyclohexa-1,3-dienyl]acrylate where the acrylic double bond has (E)-configuration.


Dianion of 3-sulfino-L-alanine arising from deprotonation of carboxy and sulfinate groups.


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


The dianion formed by removal of two protons from the phosphate group of 2,5-diamino-6-(1-D-ribosylamino)pyrimidin-4(3H)-one 5'-phosphate.


N-hydroxy-L-isoleucinate

A monocarboxylic acid anion, obtained by removal of a proton from the carboxylic acid group of N-hydroxy-L-isoleucine.


N-acylhomoserinate

The carboxylic acid anion formed by loss of a proton from the carboxy group of N-acylhomoserine.


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


A monohydroxybenzoate that is the conjugate base of 3-bromo-4-hydroxybenzoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A steroid sulfate oxoanion which is a dianion obtained by the deprotonation of both the sulfate groups of clathsterol disulfonic acid.


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


N-isovalerylglycinate

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


A monocarboxylic acid anion that is the conjugate base of 5-oxo-4,5-dihydro-2-furylacetic acid.


The (1R,6S)-enantiomer of cis-1,6-dihydroxycyclohexa-2,4-dienecarboxylate.


L-dopachromate

Conjugate base of L-dopachrome.


isocaproate

A  branched-chain saturated fatty acid anion that is pentanoate with a methyl group substituent at position 4.


A monocarboxylic acid anion that is the conjugate base of 3-(trimethylsilyl)propionic acid, obtained by deprotonation of the carboxy group.


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


The conjugate base of 3-[(5S,6R)-5,6-dihydroxycyclohexa-1,3-dienyl]acrylic acid; major species at pH 7.3.


The E-isomer of 5-hydroxyferulate. Major species at pH 7.3.


succinate

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


hydroperoxydocosahexaenoate

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


Major species at pH 7.3.


A fatty acyl-CoA(4-) that is the tetraanion of (15Z)-12-oxophyto-10,15-dienoyl-CoA, arising from deprotonation of phosphate and diphosphate functions; major species at pH 7.3.


achromobactin

A citrate siderophore possessing four carboxylate groups suitable for iron coordination.


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


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

An N-(fatty acyl)-L-alpha-amino acid anion resulting from the formal condensation of the carboxy group of any fatty acid with the amino group of L-serinate. Major species at pH 7.3.


An N-jasmonyl-L-alpha-amino acid anion obtained by deprotonation of the carboxy group of N-(12-hydroxyjasmonyl)-L-isoleucine; major species at pH 7.3.


cyclic 2,3-bisphospho-D-glycerate(3-)

An organophosphate oxoanion arising from deprotonation of the phosphate and carboxy groups of cyclic 2,3-bisphospho-D-glyceric acid; major species at pH 7.3.


A 3-oxo monocarboxylic acid anion that is the conjugate base of 4'-O-demethylsordarin, arising from deprotonation of the carboxy group; major species at pH 7.3.


remazole black-GR (4-)

The organosulfonate oxoanion that is the tetraanionic form of the azo dye remazole black-GR.


2,4-divinyl protochlorophyllide a(1-)

A cyclic tetrapyrrole anion that is the conjugate base of magnesium protoporphyrin 13-monomethyl ester, formed by deprotonation of the carboxyethyl group at C-17; major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


N-carbamoyl-L-methioninate

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


An icosanoid anion that is the conjugate base of 5(S),15(S)-DiHETE, arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


A phosphoglycerate obtained by deprotonation of the carboxy group and one of the phosphate OH groups of 3-phosphoglyceric acid.


Dianion of N(2)-succinyl-L-citrulline arsing from deprotonation of both carboxylic acid groups.


alpha-mycolate type-3 (IV)

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


hydroperoxy(epoxy)icosatrienoate

A hydroperoxyicosatrienoate having a hydroperoxy substituent on its carbon chain and an epoxidation across one of the double bonds of arachidonate.


N(alpha)-acetyl-L-argininate

An N-acyl-L-alpha-amino acid anion arising from deprotonation of the carboxy group of N(alpha)-acetyl-L-arginine; major species at pH 7.3.


A prostaglandin carboxylic acid anion that is the conjugate base of 15-deoxy-Delta(12,14)-prostaglandin J3. obtained by deprotonation of the carboxy group; major species at pH 7.3.


2-hydroxy fatty acid anion 24:1

A 2-hydroxy fatty acid anion with a chain that is composed of 24 carbons and 1 double bond (position  unspecified).


alkyl sulfate(1-)

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


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


An N-acyl-L-alpha-amino acid anion that is the anion formed by loss of a proton from the carboxy group of N-carbamoyl-L-cysteine; major species present at pH 7.3.


(3Z)-9-methyldec-3-en-1-yl sulfate

An organosulfate oxoanion that is the conjugate base of (3Z)-9-methyldec-3-en-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.


sch 210971(2-)

Based on the structure elucidated in pmid:26360642 for sch 210972 as it is synthesized from the same precursor as described in pmid:25885659


A 2-hydroxy-3-methylpentanoate in which the stereocentres at positions 2 and 3 both have R-configuration.


A benzoate obtained by deprotonation of the carboxy and phenol groups of erythrosin.


A steroid acid anion that is the conjugate base of (25S)-cholestenoic 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)-beta-D-glucosylceramide arising from deprotonation of the neuraminosyl carboxy group; major species at pH 7.3.


Dicarboxylate anion of (2R,3Z)-phycocyanobilin.


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


name: O13(4)-desmethyl primary fluorescent dioxobilin-type chlorophyll catabolite(2-)


A D-alpha-amino acid anion resulting from the removal of the proton from the carboxy group of N-acetyl-D-methionine.


D-glycerate

A glycerate that is the conjugate base of D-glyceric acid, obtained by deprotonation of the carboxy group.


A hydroxy fatty acid ascaroside anion that is the conjugate base of oscr#25, 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 alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-[alpha-Neu5Ac-(2->6)]-beta-D-GalNAc-(1->4)-[alpha-Neu5Ac-(2->8)-alpha-Neu5Ac-(2->3)]-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer; major species at pH 7.3.


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


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


Compound 8a


Conjugate base of N-acetyl-LL-2,6-diaminopimelic acid.


A beta-amino acid anion that is the conjugate base of 3-aminoisobutyric acid, arising from deprotonation of the carboxy group.


A monocarboxylic acid anion that is the  conjugate base of 4-guanidinobutanoic acid.


The conjugate base of sulfolipid-1 arising from deprotonation of the sulfate OH group.


A UDP-N-acetyl-D-galactosamine 4,6-bissulfate(4-) in which the anomeric centre of the galactosamine fragment has alpha-configuration


An acyl-CoA oxoanion that results from the removal of all five protons from the phosphate and carboxylic acid groups of (3S)-3-hydroxy-3-methylglutaryl-CoA.


An icosanoid anion that is the conjugate base of 10,11-dihydro-20,20-dihydroxyleukotriene B4, obtained by deprotonation of the carboxy group; major species at pH 7.3.


sialic acid anion

A carboxylic acid anion that is the conjugate base of a sialic acid, formed by deprotonation of the carboxy group.


aryl sulfate oxoanion

An organosulfate oxoanion obtained by deprotonation of the sulfo group of any aryl sulfate. The R group in this structure represents an aromatic ring.


Trianion of 5,10-methylenetetrahydromethanopterin arising from deprotonation of phosphate and carboxy groups; major species at pH 7.3.


chromoxane cyanin R(3-)

An organosulfonate oxoanion obtained by deprotonation of the sulfo and carboxy groups of 5-[(3-carboxy-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)(2-sulfophenyl)methyl]-2-hydroxy-3-methylbenzoic acid.


A precorrin carboxylic acid anion that is the hexaanion of precorrin-7.


A C79 alpha-mycolate  having a saturated C26 alpha-branch and a C53 meromycolic chain with a distal cis-double bond and a proximal cis-cyclopropyl function. It is produced by Mycobacterium tuberculosis H37Ra.


L-polyhomomethionine zwitterion

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


Conjugate base of 8(R)-HPETE arising from deprotonation of the carboxylic acid function.


Conjugate base of D-dopachrome.


isopentadecanoate

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


organic sulfamate oxoanion

An anion resulting from the removal of a proton from an organic sulfamic acid group.


halistanol sulfate G(3-)

A steroid sulfate oxoanion that is the conjugate base of halistanol sulfonic acid G.


The conjugate base of fenoprofen.


etherolenate

A long-chain fatty acid anion that is the conjugate base of etherolenic acid resulting from the deprotonation of the carboxy group; Major microspecies at pH 7.3.


A dicarboxylic acid dianion resulting from the deprotonation of the two carboxy groups of 2,2-dimethylsuccinic acid; major species at pH 7.3.


biliverdin beta(2-)

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


An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy group of N-acetyl-alpha-neuraminosyl-(2->3)-beta-D-galactosylceramide; major species at pH 7.3.


Conjugate base of 13(S)-HPODE arising from deprotonation of the carboxylic acid function.


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


L-kynureninate

A L-alpha-amino acid anion obtained by the deprotonation of the carboxy group of L-kynurenine .


A dicarboxylic acid dianion that is the conjugate base of 2-aminoadipic acid.


4-nitrophenyl sulfate

An aryl sulfate oxoanion resulting from the deprotonation of the sulfooxy group of 4-nitrophenyl hydrogen sulfate. The major microspecies at pH 7.3.


N,N',N''-triacetylchitotrionate

Spontaneous hydrolysis product of CHEBI:143144


rifamycin B(2-)

A hydroxy monocarboxylic acid anion arising from deprotonation of the carboxy and 5-carboxy groups of rifamycin B; major species at pH 7.3.


uroporphyrinogen III(8-)

An octacarboxylic acid anion obtained by deprotonation of all eight carboxy groups of uroporphyrinogen III.


dihomolinoleate

An octadecadienoate that is the conjugate base of dihomolinoleic acid.


Conjugate base of (1S,4S)-4-hydroxy-3-oxocyclohexane-1-carboxylic acid.


Conjugate base of cis-5,6-dihydroxy-4-isopropylcyclohexa-1,3-dienecarboxylic acid.


A dicarboxylic acid dianion resulting from the removal of a proton from both of the carboxy groups of 2-(E)-O-feruloyl-D-galactaric acid.


A 2-oxo monocarboxylic acid anion that is the conjugate base of 3-hydroxyphenylpyruvic acid resulting from the deprotonation of the carboxy group. Major microspecies at pH 7.3.


An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy groups of ganglioside GD1b(d18:1/C18:0); major species at pH 7.3.


N,N-dihydroxy-L-trihomomethioninate

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


Major microspecies at pH 7.3.


m-toluate

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


A (2S)-2-hydroxy fatty acid anion that is the conjugate base of (2S)-2-hydroxytetradecanoic 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 17,18-EETeTr, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A pyridinedicarboxylate that is the major structure of 5-hydroxy-6-methylpyridine-3,4-dicarboxylic acid at pH 7.3.


Major species at pH 7.3


methoxymycolate type-1 (VI)

The conjugate base of methoxymycolic acid type-1 (VI). A class of mycolic acids characterized by the presence of a proximal cis-cyclopropyl group and a distal (CH-CH3)-(CHO-CH3) fragment of (S,S) stereochemistry in the meromycolic chain.


A retinoid glucuronide anion that is the conjugate base of 1-O-all-trans-retinoyl-beta-D-glucuronide arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


An oxo dicarboxylate obtained by removal of a proton from both of the carboxylic acid groups of (Z)-5-oxohex-2-enedioic acid.


D-lyxonate

A lyxonate that is the conjugate base of D-lyxonic acid, obtained by the deprotonation of the carboxy group.


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


quinolinate

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


An omega-hydroxy fatty acid anion that is the conjugate base of 18-hydroxy-9,10-epoxyoctadecanoic acid arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


Dianion of D-erythro-3-methylmalic acid.


N-acetyl-L-alpha-phenylglycinate

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


A hydroxy fatty acid ascaroside anion that is the conjugate base of oscr#36, obtained by deprotonation of the carboxy group; major species at pH 7.3.


isonocardicin A(2-)

An oxime anion that is the major structure of isonocardicin A at pH 7.3.


Renilla luciferyl sulfate(1-)

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


octadecatetraenoate

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


hydrogen ((13)C)carbonate

A carbon oxoanion that is hydrogencarbonate in which the carbon is present as its (13)C isotope.


A dicarboxylic acid dianion that is the conjugate base of 2,6-diaminopimelic acid.


A polyunsaturated oxo fatty acid anion that is the conjugate base of 15-oxo-EDE.


N-hydroxy-L-phenylalaninate

Conjugate base of N-hydroxy-L-phenylalanine.


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


hypusinate

A L-alpha-amino acid anion obtained by the deprotonation of the carboxy group of hypusine.


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


The conjugate base of (R)-3-(5-benzyloxyindol-3-yl)lactic acid.


A carbohydrate acid derivative anion obtained by deprotonation of the carboxy group of 3-deoxy-D-glycero-beta-D-galacto-nonulosonic acid


Dicarboxylate anion of trans-2,3-epoxysuccinic acid.


A carbohydrate acid anion that is the conjugate base of D-galactaro-1,5-lactone, obtained by deprotonation of the carboxy group; major species at pH 7.3.


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


chlorophyll b(1-)

The cyclic tetrapyrrole anion that is chlorophyll b protonated to pH 7.3.


fatty acid anion 28:0

Any saturated fatty acid anion containing 28 carbons. Formed by deprotonation of the carboxylic acid moiety. Major species at pH 7.3.


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


A dicarboxylic acid anion resuting from removal of a proton from both carboxy groups of N-formimidoyl-L-aspartic acid.


A (10E,12Z,15Z)-9-hydroperoxyoctadeca-10,12,15-trienoate that has R configuration at the chiral centre.


Dicarboxylate anion of 2-dehydro-3-deoxy-D-glucaric acid; major species at pH 7.3.


Dianion of alpha-D-galactosyl undecaprenyl diphosphate arising from deprotonation of both free diphosphate OH groups.


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


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


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


The conjugate base of 2-hydroxypenta-2,4-dienoic acid.


A monocarboxylic acid anion obtained by removal of a proton from the carboxylic acid group of 9(R)-HPODE.


A polyunsaturated fatty acid anion that is the conjugate base of (18Z,21Z,24Z,27Z,30Z)-hexatriacontapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A dicarboxylic acid anion that is the conjugate base of adipiodone arising from deprotonation of the two carboxy groups; major species at pH 7.3.


A cyclic tetrapyrrole anion that is obtained from any 7(1),7(1)-hydroxybacteriochlorophyllide d via deprotonation of the carboxy group; major species at pH 7.3.


The anion resulting from the removal of a proton from the carboxylic acid group of 1-pyrroline-2-carboxylic acid.


A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of (Z)-3-amino-2-methylacrylic acid. The major species at pH 7.3.


resolvin T1(1-)

A docosanoid anion that is the conjugate base of resolvin T1, obtained by deprotonation of the carboxy group; major species at pH 7.3.


(-)-quinate

A quinate that is the conjugate base of (-)-quinic acid.


An icosadienoate obtained by deprotonation of the carboxy group of (8Z,11Z)-icosadienoic acid; major species at pH 7.3.


docosatrienoate

A polyunsaturated fatty acid anion containing 22 carbons and 3 double bonds. Major species at pH 7.3.


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


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


A dicarboxylic acid dianion resulting from the removal of a proton from both of the carboxylic acid groups of 3-propylmalic acid.


alpha-D-fructuronate

The alpha-anomer of D-fructuronate.


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


Se-methyl-D-selenocysteinate

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


oxo carboxylic acid anion

Any carboxylic acid anion containing at least one oxo group.


A monocarboxylic acid anion that is the conjugate base of ent-7alpha-hydroxykaur-16-en-19-oic acid, obtained by deprotonation of the carboxy group.


maleate

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


heptanoate

A medium-chain fatty acid anion that is the conjugate base of heptanoic acid; shown in myocardial ischaemia/reperfusion studies to increase levels of C4 Kreb's cycle intermediates.


A dicarboxylic acid anion obtained by deprotonation of the carboxy and phosphino groups of 2-(phosphinomethylidene)butanedioic acid; major species at pH 7.3.


pyridoxate

A pyridinemonocarboxylate obtained by deprotonation of the carboxy group of any pyridoxic acid.


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


A 4-hydroxy-2-oxoglutarate(2-) having D-configuration.


A hydroxy fatty acid anion that is the conjugate base of 13(S)-HODE, arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


A carbohydrate acid derivative anion  resulting from the deprotonation of the carboxy group of alpha-Neup5Ac-(2->3)-beta-D-Galp-(1->4)-[alpha-L-Fucp-(1->3)]-beta-D-GlcpNAc-(1->3)-beta-D-Galp-(1->4)-[alpha-L-Fucp-(1->3)]-beta-D-GlcpNAc-(1->3)-beta-D-Galp-(1->4)-beta-D-GlcpNAc. The major species at pH 7.3


A carbohydrate acid derivative anion arising from deprotonation of the carboxy and 5-hydroxy groups of luteolin 7-O-[(beta-D-glucosiduronate)-(1->2)-(beta-D-glucosiduronate)] 4'-O-beta-D-glucosiduronate; major microspecies at pH 7.3 (according to Marvin 6.2.0.).


maleylacetate

A 4-oxohex-2-enedioate that is the conjugate base of maleylacetic acid.


hydroxydocosahexaenoate

A hydroxy polyunsaturated fatty acid anion obtained by the deprotonation of the carboxy group of any hydroxydocosahexaenoic acid.


A tricarboxylic acid monoanion that is the conjugate base of citric acid, obtained by deprotonation of one of the three carboxy groups.


A carbohydrate acid anion that is the conjugate base of 3-deoxy-L-threo-hex-2-ulopyranosonic acid, obtained by deprotonation of the carboxy group.


The conjugate base of 13-hydroxydocosanoic acid.


dihydroxyicosatetraenoate

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


benzenamine sulfate(1-)

An organic sulfamate oxoanion obtained by deprotonation of the sulfamate OH group of benzenamine sulfate.


An aconitate(3-) that is the conjugate base of cis-aconitic acid.


phenolate anion

An organic anion arising from deprotonation of the OH function of a phenol compound.


A beta-amino-acid anion obtained by deprotonation of the carboxy group of (3-aminopropyl)(L-aspartyl-1-amino)phosphoryl-5'-adenosine.


oxopentanoates

The conjugate base of any oxopentanoic acid.


A monocarboxylic acid anion that results from the removal of a proton from the carboxylic acid group of 3-chloroacrylic acid.


A monocarboxylic acid anion that is the conjugate base of 1-methyl-4-imidazoleacetic acid, obtained by deprotonation of the carboxy group.


A steroid sulfate oxoanion and N-acylglycinate that is the dianion of sulfoglycolithocholic acid arising from deprotonation of carboxylic acid and sulfate functions; major species at pH 7.3.


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.


A 2-hydroxyoctadecenoate resulting from the deprotonation of the carboxy group of 2-hydroxyoleic acid; major species at pH 7.3.


maleamate

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


A hydroxy fatty acid ascaroside anion that is the conjugate base of oscr#23, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An oxo dicarboxylic acid dianion resulting from deprotonation of both carboxy groups of 4-hydroxy-4-methyl-2-oxoglutaric acid; major species at pH 7.3.


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


A hydroxy monocarboxylic acid anion obtained by deprotonation of the carboxy and phenol groups of 2-hydroxy-6-(2-hydroxyphenyl)-6-oxo-cis,cis-hexa-2,4-dienoic acid. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


1,2,3-benzenetriol monosulfate(1-)

An organosulfate oxoanion obtained by deprotonation of the sulfo group of any 1,2,3-benzenetriol monosulfate.


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


tetracarboxylic acid anion

Any anion of a tetracarboxylic acid formed by deprotonation of one or more carboxy groups.


Conjugate base of 5-oxo-L-proline.


(E,E)-sorbate

A sorbate obtained by deprotonation of the carboxy group of (E,E)-sorbic acid.


penturonate

A uronate obtained by deprotonation of the carboxy group of any penturonic acid.


acetaminophen O-beta-D-glucosiduronate

A beta-D-glucosiduronate that is the conjugate base of acetaminophen O-beta-D-glucosiduronic acid, obtained by deprotonation of the carboxy group.


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


Major species at pH 7.3.


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


A dichloromuconate(2-) obtained by deprotonation of the carboxy groups of 2,3-dichloromuconic acid; major species at pH 7.3.


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


The  monocarboxylic acid anion formed by deprotonating carumonam at the carboxyl proton.


tuberonate

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


An L-alpha-amino acid anion arsing from deprotonation of the carboxy and phosphate OH groups of 4-phospho-L-aspartic acid.


An icosatetraenoate that is the conjugate base of (5Z,11Z,14Z,17Z)-icosatetraenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


The conjugate base of thiomorpholine-3-carboxylic acid.


pentalenolactone E(1-)

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


Trianion of (R)-5-phosphopantoic acid arising from deprotonation of the carboxy and phosphate OH groups; major species at pH 7.3


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


A leukotriene anion that is the conjugate base of Delta(6)-trans-12-epi-leukotriene B4, obtained by deprotonation of the carboxylic acid function; major species at pH 7.3.


A 2-oxo monocarboxylic acid corresponding to the conjugate base of 4-hydroxy-2-oxopentanoic acid; major species at pH 7.3.


organosulfonate oxoanion

An organic anion obtained by deprotonation of the sufonate group(s) of any organosulfonic acid.


mycobilin a(2-)

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


A monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of beta-D-4-deoxy-Delta(4)-GlcpA-(1->3)-beta-D-GlcpNAc.


A steroid sulfate oxoanion obtained by deprotonation of the sulfo group of any 5alpha-androstane-3beta,17beta-diol monosulfate.


undecanoate

A medium-chain fatty acid anion that is the conjugate base of undecanoic acid; used in tandem with testosterone cation in the treatment of male hypogonadism. Major species at pH 7.3.


A UDP-L-iduronate(2-) in which the anomeric centre of the sugar component has beta-configuration; major species at pH 7.3.


Dianion of 5-formimidoyltetrahydrofolic acid arising from deprotonation of both carboxylic acid functions.


The carbohydrate acid derivative anion formed by proton loss from the carboxy group of alpha-Kdo-(2->8)-alpha-Kdo-OAll II(1),I(7)-lactone


cyclosporin A sulfate

An organosulfate oxoanion that is the conjugate base of cyclosporin A hydrogen sulfate resulting from the deprotonation of the sulfooxy group. It is a metabolite of cyclosporin A found in human bile and plasma.


aurintricarboxylate

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


Major microspecies at pH 7.3.


Conjugate base of flavonol 3-O-(6-O-malonyl-beta-D-glucoside).


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


isobutyrate

A branched, short-chain, saturated fatty acid anion; the conjugate base of isobutyric acid, formed by deprotonation of the carboxylic acid group.


Major species at pH 7.3


flufenamate

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


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


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


(R)-3-oxoisoapionate 4-phosphate(-)

Major microspecies at pH 7.3


olivetolate

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


taurochenodeoxycholate 7-sulfate(2-)

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


A 2-oxo monocarboxylic acid anion that is the conjugate base of 3-(5-hydroxyindol-3-yl)pyruvic acid resulting from the deprotonation of the carboxy group; Major species at pH 7.3.


quercetin-7-olate 3,4'-bissulfate(3-)

A flavonoid oxoanion arising from deprotonation of the sulfate and 7-hydroxy groups of quercetin 3,4'-bissulfate; major species at pH 7.3.


The dianion of balsalazide.


deoxyviolaceinate

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


An optically active form of 3-isopropenyl-6-oxoheptanoate having (3S)-configuration.


An icosapentaenoate that is the conjugate base of all-cis-5,8,11,14,17-icosapentaenoic acid, arising from deprotonation of the carboxylic acid group.


name: omega-hydroxy-long-chain fatty acid anion

description: An omega-hydroxy fatty acid anion obtained by deprotonation of the carboxy group of any omega-hydroxy-long-chain fatty acid; major species at pH 7.3.


N-acetyl-L-isoleucinate

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


An organophosphate oxoanion resulting from deprotonation of the carboxy and phosphate OH groups of alpha-D-FucNAc4-(1->4)-beta-D-ManNAcA-(1->4)-alpha-D-GlcNAc-undecaprenyl diphosphate; major species at pH 7.3.


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


Conjugate base of dethiobiotin; major species at pH 7.3.


A ketogluconate that is the conjugate base of 5-dehydro-L-gluconic acid, obtained by deprotonation of the carboxy group. Major microspecies at pH 7.3


N-[(R)-pantothenoyl]-L-cysteinate

Conjugate base of N-[(R)-pantothenoyl]-L-cysteine.


octatriacontatetraenoate

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


An 11,12-EET(1-) that is the conjugate base of (11R,12S)-EET, obtained by deprotonation of the carboxy group; major species at pH 7.3.


N,N-dihydroxy-alpha-amino-acid anion

An N,N-dihydroxylated alpha-amino-acid anion.


Major species at pH 7.3.


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


dehydroabietate

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


An octadecanoid anion that is the conjugate base of 9,10-epoxy-18-hydroxy-(12Z)-octadecenoic acid arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


A monocarboxylic acid anion resulting from the deprotonation of 9beta-pimara-7,15-dien-19-oic acid; the major species at pH 7.3


pentenoate

A short-chain, saturated fatty acid anion that is the conjugate base of any pentenoic acid, formed by deprotonation of the carboxylic acid group.


picolinate

A pyridinemonocarboxylate resulting from the removal of a proton from the carboxy group of picolinic acid.


Dicarboxylate anion of 4,5-dihydroxyphthalic acid; major species at pH 7.3.


The conjugate base of uracil-5-carboxylic acid; major species at pH 7.3.


A tetracarboxylic acid anion that results from the removal of a proton from all four carboxylic acid groups of dipyrrolylmethanemethyl-L-cysteine residue. Major species at pH 7.3.


An epoxy(hydroxy)icosatrienoate that is the conjugate base of 20-hydroxy-11,12-epoxy-(5Z,8Z,14Z)-eicosatrienoic acid arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


coenzyme F430(5-)

The penta-anion resulting from the removal of a proton from each of the carboxylic acid groups of coenzyme F430. The major species at pH 7.3.


glycinate

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


A long-chain fatty acid anion resulting from the deprotonation of the carboxy group of (9Z)-17-hydroxyoctadec-9-enoic acid  17-O-beta-D-glucoside.


A monocarboxylic acid anion that is the conjugate base of (4-hydroxy-3-nitrophenyl)acetic acid, obtained by deprotonation of the carboxy group.


The L-enantiomer of altrarate(2-).


The S-enantiomer of 2-hydroxypalmitate.


A polyunsaturated fatty acid anion that is the conjugate base of (15Z,18Z,21Z,24Z,27Z)-triacontapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


N-acylglycinate

A carboxylic acid anion obtained by deprotonation of the carboxy group of any N-acylglycine.


Dianion of (2E)-3-(methoxycarbonyl)pent-2-enedioic acid arising from deprotonation of both carboxylic acid functions.


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


The dianion obtained by removal of two acidic protons from 2-phospho-L-lactic acid.


Tricarboxylate anion of (2Z)-but-2-ene-1,2,3-tricarboxylic acid; major species at pH 7.3.


A hydroxy monocarboxylic acid anion obtained by deprotonation of the carboxy and phosphate OH groups of 4-O-phosphono-D-threonic acid; major species at pH 7.3.


unsaturated fatty acid anion

Any fatty acid anion containing at least one C-C unsaturated bond; formed by deprotonation of the carboxylic acid moiety.


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


threonate

A 2,3,4-trihydroxybutanoate that is the conjugate base of threonic acid.


D-pipecolate

The D-enantiomer of pipecolate.


A dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of N-amidino-L-aspartic acid.


cellobionate

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


The carbohydrate acid derivative anion formed by loss of 10 protons from the carboxy and sulfoamino groups of fondaparinux.


A monohydroxybenzoate that is the conjugate base of 3-hydroxy-4-methoxybenzoic acid, arising from deprotonation of the carboxy group.


pentacarboxylic acid anion

A carboxylic acid anion formed by deprotonation of at least one of the five carboxy groups of any pentacarboxylic acid.


A 4-androstene-3beta,17beta-diol disulfate anion obtained by deprotonation of both sulfo groups of 4-androstene-3beta,17beta-diol disulfate.


nocardicin A(1-)

An alpha-amino-acid anion that is the conjugate base of nocardicin A, arising from deprotonation of the carboxy groups and protonation of the amino group.


2-aminophenyl sulfate

A phenylsulfate oxoanion that is the conjugate base of 2-aminophenyl hydrogen sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3.


A 2-oxo monocarboxylic acid anion arising from deprotonation of the carboxy and hydroxyphosphinyl groups of (hydroxyphosphinyl)pyruvic acid; major species at pH 7.3.


Major species at pH 7.3


A carbohydrate acid anion obtained by deprotonation of any aldonic acid. Major structure at pH 7.3 of aldonate compounds.


A flavonoid oxoanion that is a trianionic form of luteolin 7-O-[(beta-D-glucosiduronate)-(1->2)-(beta-D-glucosiduronate)]. It is the major microspecies at pH 7.3 (according to Marvin v 6.2.0.).


Transition state of the chorismate mutase catalyzed Claisen rearrangement of chorismate to prephenate.


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


Conjugate base of (11S)-11-hydroperoxylinoleic acid arising from deprotonation of the carboxylic acid function.


The conjugate base of 6-O-sulfo-alpha-D-Glc-(1->6)-alpha-D-Glc-(1->6)-alpha-D-Glc-(1->3)-1-O-alkyl-2-O-acylglycerol.


iodothyroninate

An iodothyronine whose alpha carboxylic acid group of the tyrosine is ionized (not protonated).


Conjugate base of 2,6-dihydroxynicotinic acid.


15-dehydro-prostaglandin D2(1-)

Conjugate base of 15-dehydro-prostaglandin D2.


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


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


A monocarboxylic acid anion obtained by removal of a proton from the carboxylic acid group of phenylacetylglycine. The major species of phenylacetylglycine at pH 7.3.


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


A dicarboxylic acid dianion obtained by removal of a proton from both carboxy groups of (2S)-2-isopropyl-3-oxosuccinic acid.


poly(ribitol phosphate) polyanion

The polyanion of poly(ribitol phosphate) arising from global deprotonation of phosphate OH groups in the repeating units.


A monocarboxylic acid anion resulting from the deprotonation of the carboxy group of 4-sulfanylbutanoic acid. The major species at pH7.3.


A monocarboxylic acid anion obtained by removal of a proton from the carboxylic acid group of 9(S)-HPODE.


carbon oxoanion

A negative ion consisting solely of carbon and oxygen  atoms, and therefore having the general formula CxOy(n-) for some integers x, y and n.


cortisol 21-sulfate(1-)

Conjugate base of cortisol 21-sulfate arising from deprotonation of the sulfate OH; major species at pH 7.3.


A dicarboxylic acid dianion obtained by deprotonation of the carboxy groups of (1R,10aS)-1,4,10,10a-tetrahydrophenazine-1,6-dicarboxylic acid; major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of 4-carboxymethyl-3-methylbut-2-en-1,4-olide; 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 2-hydroxyglutaric acid.


2-hydroxy fatty acid anion 18:0

A hydroxy fatty acid anion 18:0 in which the hydroxy substituent is located at position 2.


cimicifugate E

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


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


4-vinylguaiacol sulfate(1-)

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


An EpETE(1-) that is the conjugate base of (5Z,8Z,11Z,17Z)-14,15-epoxyicosatetraenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


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


The conjugate base of N(2),N(5)-dibenzoyl-L-ornithine; major species at pH 7.3.


An anionic phospholipid obtained by deprotonation of the carboxy and phosphate groups of N-hexadecanoyl-O-(1-octadecanoyl-sn-glycero-3-phospho)-L-serine; major species at pH 7.3.


isopimarate

Conjugate base of isopimaric acid.


A (5Z,11Z,14Z)-8,9-dihydroxyicosatrienoate obtained by deprotonation of the carboxy group of (5Z,8S,9S,11Z,14Z)-8,9-dihydroxyicosatrienoic acid; major species at pH 7.3.


(R)-secondary-alkyl sulfate oxoanion

A secondary alkyl sulfate oxoanion where the substiuents are arranged so the sulfate is in (R)-configuration. Published in DOI:10.1002/adsc.201100864


An altrarate(1-) that is the conjugate base of D-altraric acid.


creatinate

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


A steroid glucuronide anion that is the conjugate base of estriol 16-O-(3-sulfo-beta-D-glucuronide) arising from deprotonation of the carboxylic and sulfate groups; major species at pH 7.3.


An organosulfate oxoanion obtained by deprotonation of the sulfate and neuraminosyl carboxy groups of 8-O-sulfo-alpha-N-acetylneuraminosyl-(2->3)-beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-(1->4)-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-ceramide; major species at pH 7.3.


A 1,2-diacyl-3-(3-O-sulfo-beta-D-galactosyl)glycerol(1-) resulting from the deprotonation of the sulfate group of 2,3-diacyl-1-(3-O-sulfo-beta-D-galactosyl)-sn-glycerol. The major species at pH 7.3.


leukotriene C3(2-)

A leukotriene anion obtained by deprotonation of the three carboxy groups and protonation of the glutamyl alpha-amino group of leukotriene C3; major species at pH 7.3.


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


A dioxo monocarboxylic acid anion that is the conjugate base of 2,6-dioxo-6-phenylhexa-3-enoic acid, arising from deprotonation of the carboxy group; major species at pH 7.3.


syringate

A methoxybenzoate that is the conjugate base of syringic acid, obtained by deprotonation of the carboxy group.


diatrizoate meglumine

The N-methylglucamine salt of amidotrizoic acid. Both the sodium and the meglumine salts of amidotrizoic acid have been widely used as water-soluble radioopaque media in diagnostic radiography. The use of a mixture of the two salts is often preferred, as adverse effects can be reduced.


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


Conjugate base of N-acetyl-4-O-acetylneuraminic acid.


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


A 1-pyrrolinecarboxylate that is the conjugate base of (S)-3-hydroxy-3,4-dihydro-2H-pyrrole-5-carboxylic acid, obtained by deprotonation of the carboxy group. Major species at pH 7.3.


The meso-isomer of 2,6-diaminopimelate.


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


(S)-PGA2-S-glutathione conjugate(2-)

A prostanoid anion obtained by deprotonation of the three carboxy groups and protonation of the glutamyl alpha-amino group of (S)-PGA2-S-glutathione conjugate; major species at pH 7.3.


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


A iodobenzoate that is the conjugate base of 4-iodobenzoic acid; major microspecies at pH 7.3.


nicotinate

A pyridinemonocarboxylate that is the conjugate base of nicotinic acid, arising from deprotonation of the carboxy group; major species at pH 7.3.


soppiline C(1-)

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


Published in DOI:10.1104/pp.116.1.369


A steroid sulfate oxoanion that is the conjugate base of (3beta,5alpha,17beta)-3-hydroxyandrostan-17-yl sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3.


Trianion of N(2)-succinyl-L-glutamic acid arising from global deprotonation of the carboxy groups.


Conjugate base of (2S)-2-[(R)-1-carboxyethylamino]pentanoic acid.


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


A pyridinemonocarboxylate that is the conjugate base of 5-(2'-formylethyl)-4,6-dihydroxypicolinic acid.


An oxo monocarboxylic acid anion resulting from the deprotonation of the carboxy group of an (R)-2-alkyl-3-oxoalkanoic acid.


A carbohydrate acid derivative anion that is the dianion resulting from the removal of the proton from both of the carboxylic acid groups of luteolin-7-O-[beta-D-glucuronosyl-(1->2)-beta-D-glucuronide].


A omega-oxo fatty acid anion that is the conjugate base of 12-oxododecanoic acid, arising from the deprotonation of the carboxy group; major species at pH 7.3.


tetratriacontanoate

An ultra-long-chain fatty acid anion that is the conjugate base of tetratriacontanoic aacid, obtained by deprotonation of the carboxy group.


(aminooxy)acetate

A monocarboxylic acid anion that is the conjugate base of (aminooxy)acetic acid, resulting from the deprotonation of the carboxy group. Major microspecies at pH 7.3.


N-acetylmethionine sulfone(1-)

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


tridecanoate

A long-chain fatty acid anion resulting from the removal of a proton from the carboxy group of tridecanoic acid.


A tricarboxylic acid trianion resulting from deprotonation of the three carboxy groups of 4-carboxy-2-hydroxy-cis,cis-muconic acid; major species at pH 7.3.


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


L-prolinate

An optically active form of prolinate having L-configuration.


The L-enantiomer of cysteinate(2-).


N-hydroxy-alpha-amino-acid anion

An N-hydroxylated alpha-amino-acid anion.


A dicarboxylic acid dianion resulting from the removal of a proton from both of the carboxy groups of succinic acid.


oxidized Watasenia luciferin(2-)

Dianion of oxidized Watasenia luciferin arising from deprotonation of both sulfate OH groups; major species at pH 7.3.


phenylalaninate

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


Major microspecies at pH 7.3


Trianion of 3-carboxy-cis,cis-muconic acid arising from deprotonation of all three carboxylic acid functions.


fatty acid anion

The conjugate base of a fatty acid, arising from deprotonation of the carboxylic acid group of the corresponding fatty acid.


A carbohydrate acid derivative anion that is the conjugate base of 17alpha-(N-acetyl-alpha-D-glucosaminyl)estradiol 3-glucuronoside, obtained by deprotonation of the carboxy group; major species at pH 7.3.


The anion formed by loss of a proton from the carboxy group of (R)-3-hydroxyisobutyric acid; major microspecies at pH 7.3.


An organosulfate oxoanion that is 5-dehydro-4-deoxy-2-O-sulfo-D-glucuronic acid in which a proton has been removed from both the carboxy and the sulfate group.


A 5-oxo monocarboxylic acid anion obtained by deprotonation of the carboxy and sulfate groups of 11-sulfojasmonic acid. Major species at pH 7.3


N,N'-diacetylchitobionate

Spontaneous hydrolysis product of CHEBI:143145


A hydroxy monocarboxylic acid anion obtained by deprotonation of the carboxy group of 2-hydroxy-6-oxonona-2,4-dienoic acid; major species at pH 7.3.


cinnamate

A member of the class of cinnamates that results from the deprotonation of the carboxy group of cinnamic acid.


Heptacarboxylate anion of precorrin-3B.


N-hydroxytrihomomethioninate

Conjugate base of N-hydroxytrihomomethionine.


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


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


A polyanionic polymer obtained by deprotonation of the carboxy groups of glucuronoxylan 4-O-methyl-D-glucuronate. Major microspecies at pH 7.3


Conjugate base of 2-hydroxy-2H-chromene-2-carboxylic acid.


A medium-chain fatty acid anion resulting from the deprotonation of the carboxy group of 2,3-dihydroxydodecanoic acid. Major microspecies at pH 7.3


A docosanoid anion that is the conjugate base of (4Z,7Z,10Z,16Z,19Z)-13,14-epoxydocosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


3-hydroxypyridine sulfate(1-)

An organosulfate oxoanion that is the conjugate base of 3-hydroxypyridine sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3.


A mannarate(2-) that is the dianion obtained by the deprotonation of the carboxy groups of L-mannaric acid.


carbocyclic fatty acid anion

Any fatty acid anion containing a ring composed of carbon atoms. Major microspecies at pH 7.3


Trianion of UDP-N-acetylmuramoyl-L-alanyl-D-alpha-glutamyl-L-lysine.


octacarboxylic acid anion

A carboxylic acid anion formed by deprotonation of at least one of the eight carboxy groups of any octacarboxylic acid.


An alpha-amino-acid anion that is the conjugate base of 5-(L-alanin-3-yl)-2-hydroxy-cis,cis-muconate 6-semialdehyde, having anionic carboxy gropus and a cationic amino group; major species at pH 7.3.


hainanate A

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


An N-acetylneuraminate obtained by deprotonation of the carboxy groups of any alpha-N-acetylneuraminyl-(2->8)-alpha-N-acetylneuraminyl-(2->3)-beta-D-galactoside; major species at pH 7.3.


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


A steroid acid anion that is the conjugate base of (25R)-3beta-hydroxycholest-5-en-7-one-26-oic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


sarcosinate

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


An octadeca-9,11-dienoate that is the conjugate base of 9-cis,11-trans-octadecadienoic acid, formed by deprotonation of the carboxylic acid functional group.


bacteriochlorophyllide f(1-)

A cyclic tetrapyrrole anion that is obtained from any bacteriochlorophyllide f via deprotonation of the carboxy group; major species at pH 7.3.


An organosulfate oxoanion obtained by deprotonation of the sulfate group of 1-(3-O-sulfo-beta-D-galactosyl-(1->4)-beta-D-glucosyl)-N-acylsphingosine; major species at pH 7.3.


A 4-oxo monocarboxylic acid anion that is 2,3-dihydro-3-oxo tautomer of 3-hydroxyanthranilate and results from the removal of a proton from the carboxylic acid group of 2,3-dihydro-3-oxoanthranilic acid.


N-(fatty acyl)-L-lysine zwitterion

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


20-hydroxyprostaglandin A1(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of 20-hydroxyprostaglandin A1, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A tetracosapentaenoate that is the conjugate base of (6Z,9Z,12Z,15Z,18Z)-tetracosapentaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A dicarboxylic acid anion that is the conjugate base of ethylenediaminediacetic acid.


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


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


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


6-oxoprostaglandin E1(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of 6-oxoprostaglandin E1, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A dihydroxybenzoate having the two hydroxy groups located at the 3- and 4-positions.


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


N-[(S)-lactoyl]-L-phenylalaninate

A N-acyl-L-alpha-amino acid anion that is the conjugate base of N-[(S)-lactoyl]-L-phenylalanine obtained from deprotonation of the carboxy group; major species at pH 7.3.


hydroperoxyoctadecenoate

An octadecanoid anion that is octadecenoate containing a hydroperoxy substituent attached to its carbon chain.


A polyunsaturated fatty acid anion that is the conjugate base of (12S)-hydroperoxy-(14S,15R)-epoxy-(5Z,8Z,10E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


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


(8S)-hepoxilin A3(1-)

A hepoxilin A3 anion that is the conjugate base of (8S)-hepoxilin A3, obtained by deprotonation of the carboxylic acid group; major species at pH 7.3.


N-carbamoyl-D-alpha-amino acid anion

A carboxylic acid anion obtained by deprotonation of the carboxy group of any N-carbamoyl-D-amino acid; major species at pH 7.3.


A hydroxy fatty acid ascaroside anion that is the conjugate base of oscr#28, obtained by deprotonation of the carboxy group; major species at pH 7.3.


17alpha-estradiol 3-glucosiduronate

A monocarboxylic acid anion resulting from the removal of a proton from the carboxy group of 17alpha-estradiol 3-glucosiduronic acid.


N-benzyloxycarbonylglycinate

An N-acylglycinate that is the conjugate base of N-benzyloxycarbonylglycine; major species at pH 7.3.


2-methoxyacetaminophen sulfate(1-)

A phenyl sulfate oxoanion that is the conjugate base of 2-methoxyacetaminophen sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3.


N,N-diacetyllegionaminate

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


tetracenomycin F2(1-)

A hydroxy monocarboxylic acid anion that is the conjugate base of tetracenomycin F2, obtained by deprotonation of the carboxy group.


A monocarboxylic acid anion that is the conjugate base of 16-feruloyloxypalmitic acid obtained by deprotonation of the carboxy group.


adenosylcob(III)yrinate a,c-diamide(4-)

Conjugate base of adenosylcob(III)yrinic acid a,c-diamide.


(+)-pisiferate

A monocarboxylic acid anion that is the conjugate base of (+)-pisiferic acid, arising from the deprotonation of the carboxy group. Major species at pH 7.3.


The dianion formed by loss of a proton from each carboxy group of an aryl(methyl)malonic acid.


Major species at pH 7.3.


L-alaninate

The L-enantiomer of alaninate.


An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy groups of ganglioside GD3 (d18:1/C18:0); major species at pH 7.3.


(R)-dihydrocamalexate

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


nocardicin E(1-)

Conjugate base of nocardicin E.


An oxo monocarboxylic acid anion that is the a dianion resulting from the carboxy group and the beta-keto-enol group of 3-farnesyl-6-hydroxy-2,3,5-trimethyl-4-oxocyclohexa-1,5-diene-1-carboxylic acid; major species at pH 7.3.


L-galactonate

A galactonate that is the conjugate base of L-galactonic acid.


A docosanoid anion that is the conjugate base of (7Z,10Z,13Z,19Z)-16,17-epoxydocosatetraenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A fatty acid anion 3:0 that is the conjugate base of 3-mercaptopropanoic acid.


acetylenic fatty acid anion

An unsaturated fatty acid anion that is the conjugate base of acetylenic fatty acid


gibberellin A53(2-)

A dicarboxylic acid anion obtained by deprotonation of both carboxy groups of gibberellin A53.


(3Z,6Z)-dodeca-3,6-dien-1-yl sulfate

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


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

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


L-glutaminate

An optically active form of glutaminate having L-configuration.


resolvin E2(1-)

A polyunsaturated fatty acid anion that is the conjugate base of resolvin E2, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A hydroxy fatty acid anion that is the conjugate base of 18-hydroxyarachidonic acid, arising from deprotonation of the carboxy group; major species at pH 7.3.


hydroxy fatty acid anion 18:0

Any hydroxy saturated fatty acid anion containing 18 carbons.


The anion formed from naproxen by loss of a proton from the carboxy group.


The conjugate base of 2-deoxy-D-gluconic acid; major species at pH 7.3.


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


The carbohydrate acid derivative anion formed by proton loss from the free carboxy group of alpha-Kdo1Me-(2->8)-alpha-Kdo-OAll


epoxyoctadecenoate

A monounsaturated fatty acid anion obtained by formal epoxidation of one of the double bonds of any octadecadienoate.


dihydrourocanate

An imidazolyl carboxylic acid anion that is the conjugate base of dihydrourocanic acid, obtained by deprotonation of the carboxy group.


N,N-dihydroxy-L-tryptophanate

Conjugate base of N,N-dihydroxy-L-tryptophan.


hydroxy monocarboxylic acid anion

Any monocarboxylic acid anion carrying at least one hydroxy substituent.


prostaglandin B1(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of prostaglandin B1, obtained by deprotonation of the carboxy group; major species at pH 7.3.


cob(I)yrinate a,c diamide(5-)

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


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


hexatriacontatetraenoate

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


A 2-oxo monocarboxylic acid anion obtained by removal of a proton from the carboxylic acid group of 3-(4-hydroxyphenyl)pyruvic acid.


A hexacosahexaenoate that is the conjugate base of (8Z,11Z,14Z,17Z,20Z,23Z)-hexacosahexaenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


Conjugate base of 5,12-dihydroxanthommatin having anionic carboxy groups and a protonated primary amino group.


A hydroxy monocarboxylic acid anion resulting from the deprotonation of the carboxy group of (R)-2-hydroxy-3-methylbutyric acid. The major species at pH 7.3.


An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy groups of alpha-Neu5Ac-(2->3)-beta-D-Gal-(1->3)-[alpha-Neu5Ac-(2->6)]-beta-D-GlcNAc-(1->3)-beta-D-Gal-(1->4)-beta-D-Glc-(1<->1')-Cer; major species at pH 7.3.


An epoxy(hydroxy)icosatrienoate that is the conjugate base of 11 hydroxy-(14R,15S)-epoxy-(5Z,8Z,12E)-icosatrienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


bacteriochlorophyllide d(1-)

A cyclic tetrapyrrole anion that is obtained from any bacteriochlorophyllide d via deprotonation of the carboxy group; major species at pH 7.3.


The anionic form of fura-2 dye.


The D-enantiomer of histidinate(1-).


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


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


An icosanoid anion that is the conjugate base of 8(S),15(S)-DiHPETE, obtained by deprotonation of the carboxy group; major species at pH 7.3.


A monocarboxylic acid anion that is the conjugate base of 13-[(9Z)-octadecenoyloxy]octadecanoic 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 3,4-dimethylindole-2-carboxylic acid, obtained by deprotonation of the carboxy group.


An (omega-1)-hydroxy fatty acid that is the conjugate base of 5-hydroxyhexanoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An (omega-1)-hydroxy-long-chain fatty acid anion resulting from the deprotonation of the carboxy group of (9Z)-17-hydroxyoctadec-9-enoic acid. The major species at pH 7.3.


fluoroacetate

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


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


A hydroxy monocarboxylic acid anion that is the conjugate base of 3-hydroxydecanoyl-3-hydroxydecanoic acid; major species at pH 7.3.


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


A DiHETE(1-) that is the conjugate base of 8(S),15(S)-DiHETE arising from deprotonation of the carboxylic acid function; major species at pH 7.3.


glycoursodeoxycholate

A N-acylglycinate that is the conjugate base of glycoursodeoxycholic acid. obtained by deprotonation of the carboxy group; major species at pH 7.3.


A indol-3-yl carboxylic acid anion that is the conjugate base of 3-(indol-3-yl)pyruvic acid


Conjugate base of 3,4-dehydrothiomorpholine-3-carboxylic acid.


A hydroxy monocarboxylic acid anion obtained by deprotonation of the carboxy and phosphate OH groups of (S)-2-hydroxy-3-oxo-4-(phosphonooxy)butanoic acid; major species at pH 7.3.


N-acetylneuraminate

A ketoaldonate that is the conjugate base of N-acetylneuraminic acid, obtained by deprotonation of the carboxy group.


A dioxo monocarboxylic acid anion that is the conjugate base of 1,4-naphthoquinone-2-carboxylic acid, obtained by the deprotonation of the carboxy group; major species at pH 7.3.


A dicarboxylic acid anion resuting from removal of a proton from both carboxy groups of N-formimidoyl-L-glutamic acid.


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


A dimethylbenzoate in which the two methyl groups are located at positions 3 and 5.


15-ketoprostaglandin F1alpha(1-)

A prostaglandin carboxylic acid anion that is the conjugate base of 15-ketoprostaglandin F1alpha, obtained by deprotonation of the carboxy group; major species at pH 7.3.


(S)-citronellate

A monounsaturated fatty acid anion that is the conjugate base of (S)-citronellic acid, arising from the deprotonation of the carboxy group.


Dicarboxylate anion of (3Z)-phycocyanobilin.


colnelenate

A oxa fatty acid anion and the conjugate base of colnelenic acid, arising from deprotonation of the carboxylic acid group.


3-methyl fatty acid anion

A methyl-branched fatty acid anion obtained by deprotonation of the carboxy group of any 3-methyl fatty acid; major species at pH 7.3.


A carbohydrate acid anion arising from deprotonation of the carboxy group of 2-dehydro-3-deoxy-L-rhamnonic acid; major species at pH 7.3.


dipyrromethane cofactor(4-)

Tetracarboxylate anion of dipyrromethane cofactor; major species at pH 7.3.


A branched polysaccharide acid oxoanion comprised of an octasaccharide repeating unit consisting of a backbone of two glucose and two glucuronic acid residues, and a side chain of three glucose and one galactose residues. The octasaccharide is modified by two pyruvyl and one non-stoichiometric O-acetyl group, and one non-stoichiometric hydroxybutanoyl group. Note that the structure shown and its molfile represent only one of the possible substitution patterns.


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


ethyl 4-hydroxybenzoate sulfate(1-)

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


A carbohydrate acid anion resulting from the removal of a proton from the carboxylic acid group of D-galactaro-1,4-lactone.


methyltetrahydrofolate

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


A hydroxy monocarboxylic acid anion that is the conjugate base of 3,5-dihydroxy-3-methylpentanoic acid resulting from the deprotonation of the carboxy group; Major species at pH 7.3.


luteolin 7-O-beta-D-glucosiduronate(2-)

A carbohydrate acid derivative anion arising from deprotonation of the carboxy and 5-hydroxy groups of luteolin 7-O-beta-D-glucosiduronic acid; major species at pH 7.3 (according to Marvin v 6.2.0.).


A hydroxy fatty acid ascaroside anion that is the conjugate base of oscr#12, obtained by deprotonation of the carboxy group; major species at pH 7.3.


4-isopropylphenyl sulfate(1-)

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


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


A polyunsaturated fatty acid anion that is the conjugate base of (6Z,9Z,12Z,15Z)-octadecatetraenoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3.


An anionic ganglioside obtained by deprotonation of the neuraminosyl carboxy group of III3FucIV3NeuAc-nLc4Cer; major species at pH 7.3.


Major species at pH 7.3


A organophosphate oxoanion obtained by deprotonation of the carboxy and phosphate groups of ADP-5-ethyl-4-methylthiazole-2-carboxylic acid; major species at pH 7.3.


A C4-dicarboxylate resuting from deprotonation of both carboxy groups of oxaloacetic acid.


L-leucinate

The L-enantiomer of leucinate.


coenzyme alpha-F420-3(6-)

The hexaanion of coenzyme alpha-F420-3 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.


A hydroxamic acid anion obtained by deprotonation of the three hydroxamic acid groups of coelichelin.


L-Norleucinate substituted at C-6 with a borono group.