{[(S)-1-[(S)-1-((S)-1-Carbamoyl-3-methylsulfanyl-propylcarbamoyl)-3-methyl-butylcarbamoyl]-2-(1H-imidazol-4-yl)-ethylcarbamoyl]-methyl}-carbamic acid tert-butyl ester 生成
(S)-2-[(S)-2-(2-Amino-acetylamino)-3-(1H-imidazol-4-yl)-propionylamino]-4-methyl-pentanoic acid ((S)-1-carbamoyl-3-methylsulfanyl-propyl)-amide