2-(7-(1-(5-Carboxypentyl)-3,3-dimethyl-5-sulfoindolin-2-ylidene)hepta-1,3,5-trien-1-yl)-1-ethyl-3,3-dimethyl-3H-indol-1-ium-5-sulfonate
2-Phenyl-2-sulfoacetic acid
1-(2-Chloro-6-methyl-4-sulfophenyl)-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid
5-(4-Methoxy-3-sulfophenyl)-3-methyl-1H-pyrazole-4-carboxylic acid hydrate
Zincon
2-Sulfoacetic acid
3-Sulfobenzoic acid
2-Amino-4-sulfobenzoic acid
1-Cyclopropyl-6-fluoro-4-oxo-7-(4-sulfopiperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid
2-Sulfobenzoic acid
2-Hydroxy-5-sulfobenzoic acid hydrate
4-Amino-5-oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid
3-Hydroxy-4-sulfobenzoic acid
2-Bromo-5-sulfobenzoic acid
2-Hydroxy-3-(3-methyl-5-oxo-2,5-dihydro-1H-pyrazol-1-yl)-5-sulfobenzoic acid
8-Sulfoquinoline-6-carboxylic acid
2-(2-Benzylidenehydrazinyl)-5-sulfobenzoic acid
6-Hydroxy-5-sulfo-2-naphthoic acid
(S)-2-(N-(2-Ethyl-6-methylphenyl)-2-sulfoacetamido)propanoic acid
4-(4-Sulfophenyl)butanoic acid
