3-(3,4-dibromo-phenyl)-2-{[4-(2-oxo-1,2,4,5-tetrahydro-1,3-benzodiazepin-3-yl)-piperidin-1-carbonyl]-amino}-propionic acid 、
4,5-dichloro-N-(3-dimethylaminopropyl)-benzene-1,2-diamine 以7%的产率得到4-(2-oxo-1,2,4,5-tetrahydro-1,3-benzodiazepin-3-yl)-piperidin-1-carboxylic acid {2-(3,4-dibromo-phenyl)-1-[5,6-dichloro-1-(3-dimethylaminopropyl)-1H-benzimidazol-2-yl]-ethyl}-amide