上游原料
2-Bromoacetic acid tert-butyl ester; tert-butyl 2-bromoacetate; tert-Butyl bromoacetate(2S)-2-[[(benzyloxy)carbonyl]amino]-3-methylbutyric acid(2S)-1-((2S)-2-[[(benzyloxy)carbonyl]amino]-3-methylbutanoyl)-2-pyrrolidinecarboxylic acid2-imidazolidinonebenzyl (4S)-4-isopropyl-5-oxo-1,3-oxazolidine-3-carboxylatebenzyl (4S,5R)-5-hydroxy-4-isopropyl-5-(trifluoromethyl)-1,3-oxazolidine-3-carboxylatebenzyl (1S,2S)-3,3,3-trifluoro-2-hydroxy-1-isopropylpropylcarbamate(2S,3S)-3-amino-1,1,1-trifluoro-4-methyl-2-pentanolbenzyl (1S)-2-methyl-1-{[(2S)-2-({[(1S,2S)-3,3,3-trifluoro-2-hydroxy-1-isopropylpropyl]amino}carbonyl)pyrrolidinyl]carbonyl}propylcarbamate(2S)-1-[(2S)-2-amino-3-methylbutanoyl]-N-[(1S,2S)-3,3,3-trifluoro-2-hydroxy-1-isopropylpropyl]-2-pyrrolidinecarboxamide2-{3-[2-(tert-butoxy)-2-oxoethyl]-2-oxo-1-imidazolidinyl}acetic acidtert-butyl 2-(3-{2-[((1S)-2-methyl-1-{[(2S)-2-({[(1S,2S)-3,3,3-trifluoro-2-hydroxy-1-isopropylpropyl]amino}carbonyl)pyrrolidinyl]carbonyl}propyl)amino]-2-oxoethyl}-2-oxo-1-imidazolidinyl)acetatetert-butyl 2-(3-{2-[((1S)-2-methyl-1-{[(2S)-2-({[(1S)-3,3,3-trifluoro-1-isopropyl-2-oxopropyl]amino}carbonyl)pyrrolidinyl]carbonyl}propyl)amino]-2-oxoethyl}-2-oxo-1-imidazolidinyl)acetatetert-butyl 2-{3-[2-(tert-butoxy)-2-oxoethyl]-2-oxo-1-imidazolidinyl}acetate
