2-phenyl-1H-benzimidazole-4-carboxamide

methyl 2-amino-3-(cyclohexylamino)benzoate

2-acetamido-3-nitrobenzoic acid

2-(2-羟基苯基)-3H-苯并咪唑-4-羧酸

(2-氨基-6-硝基苯基)甲醇