2-iodo-4-nitrobenzamide

4-nitro-2-[(2,2,2-trifluoroacetyl)amino]benzoic acid

2-(2-carboxy-5-nitrophenyl)-4-nitrobenzoic acid

2-乙酰氨基-4-硝基苯甲酸

2-anilino-4-nitrobenzoic acid