20-(3-羟基-3-甲基丁氧基)孕甾-5,7-二烯-1,3-二醇

1α,25-dihydroxy-22-oxavitamin D3

1α,3β-Bis(tert-butyldimethylsilyloxy)-17-oxoandrosta-5,7-diene

2,2'-(((1S,3R,8S,9S,10R,13S,14S,17S)-10,13-dimethyl-17-(3-(2-methyl-1,3-dioxolan-2-yl)propoxy)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-1,3-diyl)bis(oxy))bis(tetrahydro-2H-pyran)

5-(((1S,3R,8S,9S,10R,13S,14S,17S)-1,3-dihydroxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)oxy)pentan-2-one