上游原料
1-(Bromomethyl)benzene; Alpha-bromotoluene1-Ethoxyethylene; Ethyl vinyl ether；Ethoxyethene(4S,5S)-5-(hydroxymethyl)-4-methyldihydro-2(3H)-furanone(4S,5S)-5-[(benzyloxy)methyl]-4-methyldihydro-2(3H)-furanone(3S,4S)-5-(benzyloxy)-3-methyl-1,4-pentanediol(2S,3S)-1-(benzyloxy)-3-methyl-5-(phenylsulfanyl)-2-pentanolbenzyl (2S,3S)-2-(1-ethoxyethoxy)-3-methyl-5-(phenylsulfanyl)pentyl ether; 1-([[(2S,3S)-2-(1-ethoxyethoxy)-3-methyl-5-(phenylsulfanyl)pentyl]oxy]methyl)benzene(3S,4S)-5-(benzyloxy)-4-(1-ethoxyethoxy)-3-methylpentyl phenyl sulfone; [(3S,4S)-5-(benzyloxy)-4-(1-ethoxyethoxy)-3-methylpentyl](dioxo)phenyl-lambda(6)-sulfane3-methyltetrahydro-2H-pyran-2-one(2S,3S,5R,6S,11R)-2-[(benzyloxy)methyl]-3,11-dimethyl-1,7-dioxaspiro[5.5]undec-5-yl phenyl sulfone; (2S,3S,5R,6S,11R)-2-[(benzyloxy)methyl]-3,11-dimethyl-5-(phenylsulfonyl)-1,7-dioxaspiro[5.5]undecane
