(17Z)-8β-<(tert-butyldimethylsilyl)oxy>-25-<(methoxymethyl)oxy>-16α-<(phenylcarbamoyl)oxy>-des-A,B-21-norcholest-17(20)-ene

(17E)-17(20)-ene-25-<(methoxymethyl)oxy>-16α-<(phenylcarbamoyl)oxy>-21-norvitamin D3 tert-butyldimethylsilyl ether

(17E)-1α-<(tert-butyldimethylsilyl)oxy>-17(20)-en-16α-hydroxy-25-<(methoxymethyl)oxy>vitamin D3 tert-butyldimethylsilyl ether

(2R,3aS,7aS)-4-[2-[(3S,5R)-3,5-Bis-(tert-butyl-dimethyl-silanyloxy)-2-methylene-cyclohex-(Z)-ylidene]-eth-(E)-ylidene]-1-[5-methoxymethoxy-5-methyl-hex-(Z)-ylidene]-7a-methyl-octahydro-inden-2-ol

(17E)-1α-<(tert-butyldimethylsilyl)oxy>-16α-<(2',2'-dimethylpropanoyl)oxy>-17(20)-en-25-<(methoxymethyl)oxy>vitamin D3 tert-butyldimethylsilyl ether