2-羟甲基苯并咪唑

acetylamino-(1H-benzoimidazol-2-ylmethyl)-malonic acid diethyl ester

3-(1H-benzimidazol-2-yl)-2-benzyloxycarbonylamino-propionic acid

2-(氯甲基)苯并咪唑

1,2-苯二胺