N-{2-[2-(4-cyanophenyl)-ethyl]-1-methyl-benzimidazol-5-yl}-[3-(p-cyanophenyl)-2-t-butyloxycarbonylamino-propionic acid amide] 、 N-{2-[2-(4-Amidinophenyl)-ethyl]-1-methyl-benzimidazol-5-yl}-N-methyl-[3-(4-amidinophenyl)-propionamide]dihydrochloride 生成 N-{2-[2-(4-Amidinophenyl)-ethyl]-1-methyl-benzimidazol-5-yl}-[2-amino-3-(p-amidinophenyl)-propionic Acid Amide]-trihydrochloride