3-Chloro-N2-[3-(dimethylamino)propyl]-1,2-benzenediamine 、 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 以15%的产率得到4-(2-oxo-1,2,4,5-tetrahydro-1,3-benzodiazepin-3-yl)-piperidin-1-carboxylic acid [1-[7-chloro-1-(3-dimethylaminopropyl)-1H-benzimidazol-2-yl]-2-(3,4-dibromo-phenyl)-ethyl]-amide