benzyl (2-amino-1-[2-(3,4-difluorophenyl)-1-[(2.2-diethoxyethyl)-ethyl-carbamoyl]-ethylcarbamoyl]-ethyl)-carbamate 生成 benzyl[1-{2-(3,4-difluorophenyl)-1-[(2,2-diethoxyethyl)ethylcarbamoyl]ethylcarbamoyl}-2-(2,4-dichlorobenzenesulfonylamino)ethyl]carbamate