4-{[(Z)-(3-Chloro-6-oxo-2,4-cyclohexadien-1-ylidene)methyl]amino} benzoic acid

1-(4-羧基苯基)-3,3-二甲基三氮烯

4-(2,4-dinitroanilino)benzoic acid

4-[(4-acetamidophenyl)sulfonylamino]benzoic acid

(4-carboxyphenyl)azanium,dihydrogen phosphate