2-(羧基羰基)苯甲酸

2-[4-(diethylamino)-2-ethoxybenzoyl]benzoic acid

2-(1,3-dihydrobenzimidazol-2-ylidene)indene-1,3-dione

2-(4-methyl-3-phenyl-1,2-oxazol-5-yl)benzoic acid

2-(6-hydroxyhexyl)isoindole-1,3-dione