Phosphoric acid diethyl ester (E)-(S)-4-methoxymethoxy-4-methyl-1-[(S)-1-((1R,3aR,7aR)-7a-methyl-4-oxo-octahydro-inden-1-yl)-ethyl]-pent-2-enyl ester

[3S-(1Z,3α,5β)]-2-[3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]-1-chloroethane

1R-(1α(1R*,2E,4S*),3aβ,7aα)-octahydro-1-(5-((trimethylsilyl)oxy)-1,4,5-trimethyl-2-hexenyl)-7a-methyl-4H-inden-4-one

[3S-(1Z,3a,5b)]-[2-[3,5-二[(叔丁基)二甲基硅氧基]-2-亚甲基环己亚基]乙基]二苯基氧化膦

previtamin D