上游原料
butyric anhydrideN-[(1S,2S)-2-hydroxy-1-methyl-2-phenylethyl]-N-methylbutanamide1-(bromomethyl)-3-methoxybenzene; 3-(bromomethyl)phenyl methyl ether(2R)-N-[(1S,2S)-2-hydroxy-1-methyl-2-phenylethyl]-2-(3-methoxybenzyl)-N-methylbutanamide(2R)-2-(3-methoxybenzyl)butyric acidmethyl (2R)-2-(3-methoxybenzyl)butanoate3-[(2R,3E,5R)-2-ethyl-5-(3-methoxybenzyl)-3,4-bis[(trimethylsilyl)oxy]-3-heptenyl]phenyl methyl ether; (E)-4,5-bis[(1R)-1-(3-methoxybenzyl)propyl]-2,2,7,7-tetramethyl-3,6-dioxa-2,7-disila-4-octene(5R,11R)-5,11-diethyl-8-methoxy-5,6,11,12-tetrahydro-2-chrysenyl methyl ether; (5R,11R)-5,11-diethyl-2,8-dimethoxy-5,6,11,12-tetrahydrochrysene(1S,2S)-2-(methylamino)-1-phenyl-1-propanol
