N,N'-(O-亚苯基)二苯甲酰胺

1-benzoylamino-2-(benzoyl-formyl-amino)-benzene

1-(2,2-diethoxyethyl)benzimidazole

diethyl 2-oxobenzimidazole-1,3-dicarboxylate

2-(3-硝基苯基)-1H-苯并咪唑