N-{2-[2-(4-cyanophenyl)-ethyl]-1-methylbenzimidazol-5-yl}-N-(α-naphthylmethyl)-2-(3-cyanobenzylamine)-acetic acid amide 、 N-{2-[2-(4-Amidinophenyl)-ethyl]-1-methyl-benzimidazol-5-yl}-N-methyl-[3-(4-amidinophenyl)-propionamide]dihydrochloride 以1.0 g (54%)的产率得到N-{2-[2-(4-Amidinophenyl)-ethyl]-1-methylbenzimidazol-5-yl}-N-(α-naphthylmethyl)-[3-amidinobenzylaminoacetamide]-trihydrochloride