Any aromatic carboxylic acid that consists of benzene in which at least a single hydrogen has been substituted by a carboxy group.
Member | Definition | Role |
(3-amino-1,2,4-triazol-4-yl)-(2,5-dimethylphenyl)methanone | | (3-amino-1,2,4-triazol-4-yl)-(2,5-dimethylphenyl)methanone |
[3-(2-hydroxyphenyl)-5-phenyl-3,4-dihydropyrazol-2-yl]-phenylmethanone | | [3-(2-hydroxyphenyl)-5-phenyl-3,4-dihydropyrazol-2-yl]-phenylmethanone |
[4-[(4-bromo-3,5-dimethyl-1-pyrazolyl)methyl]phenyl]-[5-hydroxy-3-methyl-5-(trifluoromethyl)-4H-pyrazol-1-yl]methanone | | [4-[(4-bromo-3,5-dimethyl-1-pyrazolyl)methyl]phenyl]-[5-hydroxy-3-methyl-5-(trifluoromethyl)-4H-pyrazol-1-yl]methanone |
1-[[[2-(difluoromethoxy)phenyl]-oxomethyl]amino]-3-(3-methylphenyl)thiourea | | 1-[[[2-(difluoromethoxy)phenyl]-oxomethyl]amino]-3-(3-methylphenyl)thiourea |
1-[[[2-(difluoromethoxy)phenyl]-oxomethyl]amino]-3-(4-fluorophenyl)thiourea | | 1-[[[2-(difluoromethoxy)phenyl]-oxomethyl]amino]-3-(4-fluorophenyl)thiourea |
1-[4-carboxy-2-(3-pentylamino)phenyl]-5,5-bis(hydroxymethyl)pyrrolidin-2-one | A member of the class of benzoic acids that is benzoic acid in which the hydrogens at positions 3 and 4 have been replaced by pentan-2-ylamino and 2,2-bis(hydroxymethyl)-5-oxopyrrolidin-1-yl groups, respectively. | 1-[4-carboxy-2-(3-pentylamino)phenyl]-5,5-bis(hydroxymethyl)pyrrolidin-2-one |
1-benzoyl-5-hydroxy-5-(4-methylphenyl)-4H-pyrazole-3-carboxylic acid ethyl ester | | 1-benzoyl-5-hydroxy-5-(4-methylphenyl)-4H-pyrazole-3-carboxylic acid ethyl ester |
1-salicylate glucuronide | A beta-D-glucosiduronic acid that is the glucuronide conjugate of salicyclic acid. | 1-salicylate glucuronide |
2-({[2-acetyl-5-(tert-butyl)-3-thienyl]amino}carbonyl)benzoic acid | | 2-({[2-acetyl-5-(tert-butyl)-3-thienyl]amino}carbonyl)benzoic acid |
2-(2-cyclohexylidenehydrazinyl)benzoic acid | | 2-(2-cyclohexylidenehydrazinyl)benzoic acid |
2-(6-amino-5-cyano-3-thiophen-2-yl-2,4-dihydropyrano[2,3-c]pyrazol-4-yl)benzoic acid | | 2-(6-amino-5-cyano-3-thiophen-2-yl-2,4-dihydropyrano[2,3-c]pyrazol-4-yl)benzoic acid |
2-[(2-bromophenyl)methoxy]benzoic acid | | 2-[(2-bromophenyl)methoxy]benzoic acid |
2-[(2-chlorophenoxy)methyl]benzoic acid | | 2-[(2-chlorophenoxy)methyl]benzoic acid |
2-[(2-chlorophenyl)methoxy]-N-(4,5-dihydrothiazol-2-yl)benzamide | | 2-[(2-chlorophenyl)methoxy]-N-(4,5-dihydrothiazol-2-yl)benzamide |
2-[(3-methoxyphenyl)-oxomethyl]imino-3,4-dimethyl-5-thiazolecarboxylic acid ethyl ester | | 2-[(3-methoxyphenyl)-oxomethyl]imino-3,4-dimethyl-5-thiazolecarboxylic acid ethyl ester |
2-[2-[[benzamido(sulfanylidene)methyl]amino]-4-thiazolyl]acetic acid ethyl ester | | 2-[2-[[benzamido(sulfanylidene)methyl]amino]-4-thiazolyl]acetic acid ethyl ester |
2-iodosobenzoic acid | A benzoic acid compound having an iodosyl substituent at the ortho-position. | ortho-iodosylbenzoic acid |
2-methyl-N-(4-oxo-2-sulfanylidene-3-thiazolidinyl)benzamide | | 2-methyl-N-(4-oxo-2-sulfanylidene-3-thiazolidinyl)benzamide |
2-methyl-N-[[[oxo-(3,4,5-trimethoxyphenyl)methyl]hydrazo]-sulfanylidenemethyl]benzamide | | 2-methyl-N-[[[oxo-(3,4,5-trimethoxyphenyl)methyl]hydrazo]-sulfanylidenemethyl]benzamide |
2-trifluoromethylbenzoic acid | A benzoic acid carrying a trifluoromethyl substituent at the 2-position. | 2-(trifluoromethyl)benzoic acid |
2,3,5-triiodobenzoic acid | A member of the class of benzoic acids that is benzoic acid in which the hydrogens at positions 2, 3 and 5 are replaced by iodine atoms. It is an auxin polar transport inhibitor. | 2,3,5-triiodobenzoic acid |
3-(1-azepanylazo)benzoic acid | | 3-(1-azepanylazo)benzoic acid |
3-(4-carboxybenzoyl)-2-quinolinecarboxaldehyde | | CBQCA reagent |
3-(difluoromethoxy)-N-(4,5-dihydrothiazol-2-yl)benzamide | | 3-(difluoromethoxy)-N-(4,5-dihydrothiazol-2-yl)benzamide |
3-[(4-bromophenoxy)methyl]benzohydrazide | | 3-[(4-bromophenoxy)methyl]benzohydrazide |
3-[(4-methoxyphenoxy)methyl]-N-(4-nitro-1-pyrazolyl)benzamide | | 3-[(4-methoxyphenoxy)methyl]-N-(4-nitro-1-pyrazolyl)benzamide |
3-[[[5-(phenylmethyl)-1,3,4-oxadiazol-2-yl]thio]methyl]benzoic acid | | 3-[[[5-(phenylmethyl)-1,3,4-oxadiazol-2-yl]thio]methyl]benzoic acid |
3-benzamido-3-oxopropanethioic acid S-methyl ester | | 3-benzamido-3-oxopropanethioic acid S-methyl ester |
3-ethoxy-N-[(3-pyridinylamino)-sulfanylidenemethyl]benzamide | | 3-ethoxy-N-[(3-pyridinylamino)-sulfanylidenemethyl]benzamide |
3-methyl-N-[oxo-[(2,4,6-trimethyl-3-pyridinyl)amino]methyl]benzamide | | 3-methyl-N-[oxo-[(2,4,6-trimethyl-3-pyridinyl)amino]methyl]benzamide |
3-o-methylgallic acid | A member of the class of benzoic acids that is gallic acid in which the phenolic hydroxy group at position 3 is converted into the corresponding methyl ether. | 3-O-methylgallic acid |
3,4-dihydroxybenzohydroxamic acid | | N-3,4-tridhydroxybenzamide |
3,4,5-trimethoxy-N-[[[oxo-[(1S,2S)-2-phenylcyclopropyl]methyl]hydrazo]-sulfanylidenemethyl]benzamide | | 3,4,5-trimethoxy-N-[[[oxo-[(1S,2S)-2-phenylcyclopropyl]methyl]hydrazo]-sulfanylidenemethyl]benzamide |
3,4,5-trimethoxybenzoic acid | A benzoic acid derivative carrying 3-, 4- and 5-methoxy substituents. | 3,4,5-trimethoxybenzoic acid |
3,5-dinitrobenzoic acid | A member of the class of benzoic acids that is benzoic acid in which the hydrogens at positions 3 and 5 are replaced by nitro groups. | 3,5-dinitrobenzoic acid |
4-(1,1,2,3,3,3-hexafluoropropoxy)benzoic acid | | 4-(1,1,2,3,3,3-hexafluoropropoxy)benzoic acid |
4-(2-(5,6,7,8-tetrahydro-5,5,8,8-tetramethyl-2-naphthalenyl)-1-propenyl)benzoic acid | A retinoid that consists of benzoic acid substituted at position 4 by a 2-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl)prop-1-en-1-yl group. It is a synthetic retinoid that acts as a selective agonist for the retinoic acid receptors (RAR). | arotinoid acid |
4-(octyloxy)benzoic acid | | 4-(octyloxy)benzoic acid |
4-(trifluoromethyl)benzoic acid | A benzoic acid carrying a 4-trifluoromethyl substituent. | 4-trifluoromethylbenzoic acid |
4-[(2,4,6-triamino-5-pyrimidinyl)azo]benzoic acid | | 4-[(2,4,6-triamino-5-pyrimidinyl)azo]benzoic acid |
4-[[(4-oxo-1,5,6,7-tetrahydrocyclopenta[d]pyrimidin-2-yl)thio]methyl]benzoic acid | | 4-[[(4-oxo-1,5,6,7-tetrahydrocyclopenta[d]pyrimidin-2-yl)thio]methyl]benzoic acid |
4-[[(4-tert-butylphenyl)-oxomethyl]hydrazo]-N-(5-methyl-3-isoxazolyl)-4-oxobutanamide | | 4-[[(4-tert-butylphenyl)-oxomethyl]hydrazo]-N-(5-methyl-3-isoxazolyl)-4-oxobutanamide |
4-[[[(2S,3S)-10-[[cyclopropyl(oxo)methyl]amino]-5-[(2R)-1-hydroxypropan-2-yl]-3-methyl-6-oxo-3,4-dihydro-2H-1,5-benzoxazocin-2-yl]methyl-methylamino]methyl]benzoic acid | | 4-[[[(2S,3S)-10-[[cyclopropyl(oxo)methyl]amino]-5-[(2R)-1-hydroxypropan-2-yl]-3-methyl-6-oxo-3,4-dihydro-2H-1,5-benzoxazocin-2-yl]methyl-methylamino]methyl]benzoic acid |
4-[[dimethoxyphosphoryl(phenyl)methyl]amino]benzoic acid | | 4-[[dimethoxyphosphoryl(phenyl)methyl]amino]benzoic acid |
4-[4-(2,4-dichlorophenyl)-2-thiazolyl]benzoic acid | | 4-[4-(2,4-dichlorophenyl)-2-thiazolyl]benzoic acid |
4-[5-(carboxymethyl)-4-phenyl-2-thiazolyl]benzoic acid | | 4-[5-(carboxymethyl)-4-phenyl-2-thiazolyl]benzoic acid |
4-aminomethylbenzoic acid | | aminomethylbenzoic acid |
4-benzyloxybenzoic acid | | 4-(Benzyloxy)benzoic acid |
4-carboxybenzaladehyde | A member of the class of benzoic acids that is benzoic acid substituted by a formyl group at position 4. | 4-formylbenzoic acid |
4-ethylbenzoic acid | | 4-Ethylbenzoic acid |
4-guanidinobenzoate | Benzoic acid substituted at the para position by a guanidino group. | 4-guanidinobenzoic acid |
4-methoxy-N-(3-methyl-2-thiazolylidene)benzamide | | 4-methoxy-N-(3-methyl-2-thiazolylidene)benzamide |
4-methoxy-N-[[(1-oxo-2-phenoxyethyl)hydrazo]-sulfanylidenemethyl]benzamide | | 4-methoxy-N-[[(1-oxo-2-phenoxyethyl)hydrazo]-sulfanylidenemethyl]benzamide |
4-methoxy-N-[[(phenylmethyl)amino]-sulfanylidenemethyl]benzamide | | 4-methoxy-N-[[(phenylmethyl)amino]-sulfanylidenemethyl]benzamide |
4-methyl-N-[(1-oxopentylhydrazo)-sulfanylidenemethyl]benzamide | | 4-methyl-N-[(1-oxopentylhydrazo)-sulfanylidenemethyl]benzamide |
4-methyl-N-[sulfanylidene-(1,2,4-triazol-4-ylamino)methyl]benzamide | | 4-methyl-N-[sulfanylidene-(1,2,4-triazol-4-ylamino)methyl]benzamide |
acifluorfen | A member of the class of benzoic acids that is 2-nitrobenzoic acid in which the hydrogen at position 5 is replaced by a 2-chloro-4-(trifluoromethyl)phenoxy group. It is a herbicide used for the post-emergence control of a variety of annual broadleaf weeds. | acifluorfen |
aspirin | A member of the class of benzoic acids that is salicylic acid in which the hydrogen that is attached to the phenolic hydroxy group has been replaced by an acetoxy group. A non-steroidal anti-inflammatory drug with cyclooxygenase inhibitor activity. | acetylsalicylic acid |
bay 58-2667 | A benzoic acid that is 4-(aminomethyl)benzoic acid in which the amino group is substituted by 4-carboxybutyl and 2-(2-{[4-(2-phenylethyl)benzyl]oxy}phenyl)ethyl groups. It is a soluble guanylate cyclase activator, used for the treatment of acute decompensated heart failure. | cinaciguat |
bay u9773 | A dicarboxylic acid that is that is (7E,9E,11Z,14Z)-icosa-7,9,11,14-tetraenoic acid substituted by a hydroxy group at position 4S and a (4-carboxyphenyl)sulfanediyl group at 5R. It is a dual cysteinyl leukotriene receptor antagonist that acts at the CysLT1 and CysLT2 receptors (IC50 = 0.44 and 0.30 muM, respectively). | BAYu9773 |
benzoic acid | A compound comprising a benzene ring core carrying a carboxylic acid substituent. | benzoic acid |
bexarotene | | bexarotene |
bispyribac | A member of the class of benzoic acids that is benzoic acid substituted by (4,6-dimethoxypyrimidin-2-yl)oxy groups at positions 2 and 6. Its sodium salt is used as a broad spectrum post emergent herbicide for the control of grasses, sedges and broadleaf weeds in rice crops. | bispyribac |
bms 195614 | A carboxamide resulting from the formal condensation of the carboxy group of 5,5-dimethyl-8-(quinolin-3-yl)-5,6-dihydronaphthalene-2-carboxylic acid with the amino group of p-aminobenzoic acid. It is a neutral retinoic acid receptor (RAR) alpha-selective antagonist (Ki = 2.5 nM). It displays no significant effect on nuclear receptor corepressor (NCoR) binding; moderately decreases SMRT binding to RAR. It antagonizes agonist-induced coactivator (CoA) recruitment. | BMS 195614 |
bms 204493 | A member of the class of dihydronaphthalenes that is 1,2-dihydronaphthalene which is substituted at positions 1, 1, 4, and 6 by methyl, methyl, phenylethynyl, and 2-(p-carboxyphenyl)vinyl groups, respectively (the E isomer). | BMS-493 |
bms453 | A member of the class of dihydronaphthalenes that is 1,2-dihydronaphthalene which is substituted at positions 1, 1, 4, and 6 by methyl, methyl, phenyl, and 2-(p-carboxyphenyl)vinyl groups, respectively (the E isomer). It is a potent retinoic acid receptor gamma (RARbeta) agonist that acts as an antagonist against RARalpha and RARgamma. | BMS-453 |
bumetanide | A member of the class of benzoic acids that is 4-phenoxybenzoic acid in which the hydrogens ortho to the phenoxy group are substituted by butylamino and sulfamoyl groups. Bumetanide is a diuretic, and is used for treatment of oedema associated with congestive heart failure, hepatic and renal disease. | bumetanide |
deferasirox | A member of the class of triazoles, deferasirox is 1,2,4-triazole substituted by a 4-carboxyphenyl group at position 1 and by 2-hydroxyphenyl groups at positions 3 and 5. An orally active iron chelator, it is used to manage chronic iron overload in patients receiving long-term blood transfusions. | deferasirox |
diatrizoic acid | A member of the class of benzoic acids that is benzoic acid having iodo substituents at the 2-, 4- and 6-positions and acetamido substituents at the 3- and 5-positions. It is used, mainly as its N-methylglucamine and sodium salts, as an X-ray contrast medium in gastrointestinal studies, angiography, and urography. | amidotrizoic acid |
fluorescite | A xanthene dye that is highly fluorescent and commonly used as a fluorescent tracer. | fluorescein (acid form) |
gsk2879552 | A member of the class of piperidines that is piperidine substituted by (4-carboxyphenyl)methyl and {[(1R,2S)-2-phenylcyclopropyl]amino}methyl groups at positions 1 and 4, respectively. It is a potent and irreversible inhibitor of lysine specific demethylase 1 (LSD1, also known as KDM1A). It was under clinical investigation for the treatment of acute myeloid leukaemia and small cell lung carcinoma. | GSK2879552 |
iodamide | A benzoic acid compound having iodo substituents at the 2-, 4- and 6-positions, an acetamido substituent at the 3-position and an acetamidomethyl substituent at the 5-position. | iodamide |
iodipamide | An organoiodine compound that is 3-amino-2,4,6-triiodobenzoic acid in which one of the amino hydrogens is substituted by a 6-(3-carboxy-2,4,6-triiodoanilino)-6-oxohexanoyl group. It is a water-soluble radiographic contrast media for cholecystography and intravenous cholangiography. | adipiodone |
ioxaglate | A benzenedicarboxamide compound having N-substituted carbamoyl groups at the 1- and 3-positions, iodo substituents at the 2-, 4- and 6-positions and an acetyl(methyl)amino group at the 5-position. | ioxaglic acid |
ioxitalamic acid | An organoiodine compound that is 2,4,6-triiodobenzoic acid substituted by an acetylamino group at position 3 and a (2-hydroxyethyl)carbamoyl group at position 5. It is used as a contrast medium. | iooxitalamic acid |
lumacaftor | An aromatic amide obtained by formal condensation of the carboxy group of 1-(2,2-difluoro-1,3-benzodioxol-5-yl)cyclopropane-1-carboxylic acid with the aromatic amino group of 3-(6-amino-3-methylpyridin-2-yl)benzoic acid. Used for the treatment of cystic fibrosis. | lumacaftor |
ly382884 | | LY382884 |
N-(3,4-dimethyl-2-thiazolylidene)benzamide | | N-(3,4-dimethyl-2-thiazolylidene)benzamide |
N-[(2-phenylethylamino)-sulfanylidenemethyl]benzamide | | N-[(2-phenylethylamino)-sulfanylidenemethyl]benzamide |
N-[(4-methoxyphenyl)-oxomethyl]-1-piperidinecarboxamide | | N-[(4-methoxyphenyl)-oxomethyl]-1-piperidinecarboxamide |
N-[[(3-cyano-6-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)amino]-sulfanylidenemethyl]-2-methylbenzamide | | N-[[(3-cyano-6-methyl-4,5,6,7-tetrahydro-1-benzothiophen-2-yl)amino]-sulfanylidenemethyl]-2-methylbenzamide |
N-[[(4,6-dimethyl-2-pyrimidinyl)amino]-sulfanylidenemethyl]benzamide | | N-[[(4,6-dimethyl-2-pyrimidinyl)amino]-sulfanylidenemethyl]benzamide |
N-[[(5-methyl-1H-pyrazol-3-yl)amino]-oxomethyl]-3-(1,1,2,2-tetrafluoroethoxy)benzamide | | N-[[(5-methyl-1H-pyrazol-3-yl)amino]-oxomethyl]-3-(1,1,2,2-tetrafluoroethoxy)benzamide |
N-[[(6-methyl-2-pyridinyl)amino]-oxomethyl]benzamide | | N-[[(6-methyl-2-pyridinyl)amino]-oxomethyl]benzamide |
N-[[[(2-methylphenyl)-oxomethyl]hydrazo]-sulfanylidenemethyl]benzamide | | N-[[[(2-methylphenyl)-oxomethyl]hydrazo]-sulfanylidenemethyl]benzamide |
N-[[[(4-methoxyphenyl)-oxomethyl]hydrazo]-sulfanylidenemethyl]-2-furancarboxamide | | N-[[[(4-methoxyphenyl)-oxomethyl]hydrazo]-sulfanylidenemethyl]-2-furancarboxamide |
N-[[[oxo(thiophen-2-yl)methyl]hydrazo]-sulfanylidenemethyl]benzamide | | N-[[[oxo(thiophen-2-yl)methyl]hydrazo]-sulfanylidenemethyl]benzamide |
N-[3-(2-chlorophenyl)-4-oxo-2-thiazolidinylidene]benzamide | | N-[3-(2-chlorophenyl)-4-oxo-2-thiazolidinylidene]benzamide |
N-[bis(methylthio)methylideneamino]-4-hydroxybenzamide | | N-[bis(methylthio)methylideneamino]-4-hydroxybenzamide |
n-benzamidothiourea | | benzamidothiourea |
N'-[(2-methoxyphenyl)-oxomethyl]-2-(4-morpholinyl)-4-thiazolecarbohydrazide | | N'-[(2-methoxyphenyl)-oxomethyl]-2-(4-morpholinyl)-4-thiazolecarbohydrazide |
N'-[2-[(4,5-dimethyl-1,2,4-triazol-3-yl)thio]-1-oxoethyl]-4-methoxybenzohydrazide | | N'-[2-[(4,5-dimethyl-1,2,4-triazol-3-yl)thio]-1-oxoethyl]-4-methoxybenzohydrazide |
N'-[2-[[4-ethyl-5-(2-furanyl)-1,2,4-triazol-3-yl]thio]-1-oxoethyl]-4-methoxybenzohydrazide | | N'-[2-[[4-ethyl-5-(2-furanyl)-1,2,4-triazol-3-yl]thio]-1-oxoethyl]-4-methoxybenzohydrazide |
N'-benzoyl-2-(3-pyridinyl)-4-thiazolecarbohydrazide | | N'-benzoyl-2-(3-pyridinyl)-4-thiazolecarbohydrazide |
nafamostat | | nafamostat |
nifuroxazide | | nifuroxazide |
nigerloxin | A member of the class of benzoic acids that is benzoic acid which is substituted at positions 2, 3, 4, 5, and 6 by carbamoyl, hydroxy, E)-prop-1-en-1-yl, methyl, and methoxy groups, respectively. Obtained from solid-state fermentation of Aspergillus niger CFR-W-105, it inhibits soy bean lipoxygenase-1 (LOX-1) and rat lens aldose reductase (RLAR). It also shows free radical scavenging activity. | nigerloxin |
olivetolic acid | A member of the class of benzoic acids that is salicylic acid in which the hydrogens ortho- and para- to the carboxy group are replaced by a pentyl and a hydroxy group, respectively. | olivetolic acid |
phenolphthalein | | Phenolphthalin |
primisulfuron | | Primisulfuron |
probenecid | A sulfonamide in which the nitrogen of 4-sulfamoylbenzoic acid is substituted with two propyl groups. | probenecid |
pyromellitic acid | A tetracarboxylic acid that is benzene substituted by four carboxy groups at positions 1, 2, 4 and 5 respectively. | pyromellitic acid |
ro 41-5253 | A thiochromane that is 3,4-dihydro-2H-1-benzothiopyran S,S-dioxide in which the hydrogens at position 4 are both replaced by methyl groups, the hydrogens at position 7 is replaced by a heptyloxy group, while the hydrogen at position 6 is replaced by a 1-phenylprop-1-en-2-yl group, the phenyl group of which is substituted at the para position by a carboxy group. It is a selective antagonist for retinoic acid receptor alpha. | Ro 41-5253 |
salicylic acid glucoside | A monosaccharide derivative that is salicylic acid in which the phenolic hydrogen is replaced by a D-glucosyl residue. | 2-(D-glucosyloxy)benzoic acid |
salicylsalicylic acid | A dimeric benzoate ester obtained by intermolecular condensation between the carboxy of one molecule of salicylic acid with the phenol group of a second. It is a prodrug for salycylic acid that is used for treatment of rheumatoid arthritis and osteoarthritis and also shows activity against type II diabetes. | salsalate |
sulfosalicylic acid | An arenesulfonic acid that is benzoic acid substituted by a hydroxy at position C-2 and a sulfo group at C-5. | 5-sulfosalicylic acid |
syringic acid | A dimethoxybenzene that is 3,5-dimethyl ether derivative of gallic acid. | syringic acid |
taprostene | | Taprostene |
tosiben | | 2,3-diacetyloxybenzoic acid |
triflusal | | 2-acetyloxy-4-(trifluoromethyl)benzoic acid |
trimesic acid | A tricarboxylic acid that consists of benzene substituted by carboxy groups at positions 1, 3 and 5. | benzene-1,3,5-tricarboxylic acid |
valerylsalicylate | A valerate ester that is salicylic acid in which the phenolic hydrogen is replaced by a valeryl (pentanoyl) group. | valerylsalicylic acid |
veratric acid | A member of the class of benzoic acids that is benzoic acid substituted by methoxy groups at positions 2 and 3. | 3,4-dimethoxybenzoic acid |