3-(4-Sulfophenyl)benzoic acid

3-(2-Carbamoylphenyl)benzoic acid

Methyl 2-(3-carboxyphenyl)benzoate

3-(2-Aminosulfonylphenyl)benzoic acid

3-(4-Aminosulfonylphenyl)benzoic acid

3-(3-Aminosulfonylphenyl)benozoic acid