1-甲基-5-硝基-1,3-二氢-2H-苯并咪唑-2-酮

1,2-dimethyl-5,6-dinitrobenzimidazole

1-甲基-1H-苯并咪唑-2,5-二胺

N,1-dimethyl-5-nitrobenzimidazol-2-amine

N-[2-(methylamino)-5-nitrophenyl]acetamide