上游原料
methyl (2S)-2-amino-3-(4-methoxyphenyl)propanoateN-{[(1,1-dimethylethyl)oxy]carbonyl}-1-methylhistidinemethyl 2-{[2-({[(1,1-dimethylethyl)oxy]carbonyl}amino)-3-(1-methyl-1H-imidazol-5-yl)propanoyl]amino}-3-[4-(methyloxy)phenyl]propanoateN-[2-({[(1,1-dimethylethyl)oxy]carbonyl}amino)-3-(1-methyl-1H-imidazol-5-yl)propanoyl]-4-(methyloxy)phenylalanine1-(4-phenyl-4-piperidinyl)-1-butanone1,1-dimethylethyl 2-[(2-(4-butanoyl-4-phenyl-1-piperidinyl)-1-{[4-(methyloxy)phenyl]methyl}-2-oxoethyl)amino]-1-[(1-methyl-1H-imidazol-5-yl)methyl]-2-oxoethylcarbamate(2S)-2-[(tert-Butoxycarbonyl)amino]-3-(4-methoxyphenyl)propionic acid; N-t-BOC-O-Methyl-L-tyrosineN-{[(1,1-dimethylethyl)oxy]carbonyl}-1-methylhistidine1-(4-phenyl-4-piperidinyl)-1-butanone1,1-dimethylethyl 2-[(2-(4-butanoyl-4-phenyl-1-piperidinyl)-1-{[4-(methyloxy)phenyl]methyl}-2-oxoethyl)amino]-1-[(1-methyl-1H-imidazol-5-yl)methyl]-2-oxoethylcarbamate1,1-dimethylethyl 2-(4-butanoyl-4-phenyl-1-piperidinyl)-1-{[4-(methyloxy)phenyl]methyl}-2-oxoethylcarbamate1-(1-{2-amino-3-[4-(methyloxy)phenyl]propanoyl}-4-phenyl-4-piperidinyl)-1-butanone
