1-N-(1-甲基哌啶-4-基)苯-1,2-二胺 、 3-(4-amino-3-chloro-5-trifluoromethyl-phenyl)-2-{[4-(2-oxo-1,2,4,5-tetrahydro-1,3-benzodiazepin-3-yl)-piperidin-1-carbonyl]-amino}-propionic acid 以2%的产率得到4-(2-oxo-1,2,4,5-tetrahydro-1,3-benzodiazepin-3-yl)-piperidin-1-carboxylic acid {2-(4-amino-3-chloro-5-trifluoromethyl-phenyl)-1-[1-(1-methyl-piperidin-4-yl)-1H-benzimidazol-2-yl]-ethyl}-amide