上游原料
Benzyl alcohol; Phenylmethanol3-bromo-2-methyl-1-propenediethyl (2R)-2-hydroxybutanedioatediethyl (2R,3S)-2-hydroxy-3-(2-methyl-2-propenyl)butanedioate(2R,3S)-2-hydroxy-3-(2-methyl-2-propenyl)butanedioic acid(2S)-2-[(1R)-2-(benzyloxy)-1-hydroxy-2-oxoethyl]-4-methyl-4-pentenoic acidbenzyl (2R,3S)-3-(2-methyl-2-propenyl)-4-oxo-2-oxetanecarboxylate(2R,3S)-3-isobutyl-4-oxo-2-oxetanecarboxylic acidtert-butyl (1S)-2-[((1S)-5-amino-1-{[(1-naphthylmethyl)amino]carbonyl}pentyl)amino]-1-methyl-2-oxoethylcarbamate
