(S)-[1-{(4-Benzyloxy-benzyl)-[(2-pyridin-2-yl-ethylcarbamoyl)-methyl]-carbamoyl}-2-(1H-imidazole-4-yl)-ethyl]-carbamic acid benzyl ester 、
邻溴苯乙胺 以10%的产率得到(S)-[1-((4-Benzyloxy-benzyl)-{[2-(2-bromo-phenyl)-ethylcarbamoyl]-methyl}-carbamoyl)-2-(1H-imidazole-4-yl)-ethyl]-carbamic acid benzyl ester