4-(2-oxo-1,2,4,5-tetrahydro-1,3-benzodiazepin-3-yl)-piperidin-1-carboxylic acid [(R)-2-(4-amino-3,5-dibromo-phenyl)-1-(2-benzylamino-phenylcarbamoyl)-ethyl]-amide 以47%的产率得到4-(2-oxo-1,2,4,5-tetrahydro-1,3-benzodiazepin-3-yl)-piperidin-1-carboxylic acid [(R)-2-(4-amino-3,5-dibromo-phenyl)-1-(1-benzyl-1H-benzimidazol-2-yl)-ethyl]-amide