上游原料
(2S)-2-amino-4-(tert-butoxy)-4-oxobutyric acidbenzyl (1S)-1-[[(2,5-dioxo-1-pyrrolidinyl)oxy]carbonyl]-2-methylpropylcarbamate(2S)-2-[((2S)-2-[[(benzyloxy)carbonyl]amino]-3-methylbutanoyl)amino]-4-(tert-butoxy)-4-oxobutyric acid tert-butyl (3S)-3-[((2S)-2-[[(benzyloxy)carbonyl]amino]-3-methylbutanoyl)amino]-5-bromo-4-oxopentanoate2,3,5,6-Tetrafluorophenoltert-butyl (3S)-3-[((2S)-2-[[(benzyloxy)carbonyl]amino]-3-methylbutanoyl)amino]-4-oxo-5-(2,3,5,6-tetrafluorophenoxy)pentanoatetert-butyl (3S)-3-[((2S)-2-[[(benzyloxy)carbonyl]amino]-3-methylbutanoyl)amino]-4-hydroxy-5-(2,3,5,6-tetrafluorophenoxy)pentanoatetert-butyl (3S)-3-[[(2S)-2-amino-3-methylbutanoyl]amino]-4-hydroxy-5-(2,3,5,6-tetrafluorophenoxy)pentanoate2-methoxy-2-oxoacetyl chloridetert-butyl (3S)-3-[[(2S)-2-amino-3-methylbutanoyl]amino]-4-hydroxy-5-(2,3,5,6-tetrafluorophenoxy)pentanoate2,3,5,6-Tetrachloroanilinemethyl 2-oxo-2-(2,3,5,6-tetrachloroanilino)acetate2-oxo-2-(2,3,5,6-tetrachloroanilino)acetic acidtert-butyl (3S)-4-hydroxy-3-[((2S)-3-methyl-2-[[2-oxo-2-(2,3,5,6-tetrachloroanilino)acetyl]amino]butanoyl)amino]-5-(2,3,5,6-tetrafluorophenoxy)pentanoatetert-butyl (3S)-3-[((2S)-3-methyl-2-[[2-oxo-2-(2,3,5,6-tetrachloroanilino)acetyl]amino]butanoyl)amino]-4-oxo-5-(2,3,5,6-tetrafluorophenoxy)pentanoate