[1R-(1β,3aα,7aβ)]-[1S-(4β)]-(1,1-dimethylethyl)dimethyl{[octahydro-7a-methyl-1-(1-methylethenyl)-1H-inden-4-yl]oxy}silane

[1R-[1α(2E,4E,7E),3aβ,4α,7aα]]-5-[4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]octahydro-7a-methyl-1H-inden-1-yl]-2,4,7-nonatrienedioic acid diethyl ester

[1R-[1α,3aβ,4α,7aα]]-5-[4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]octahydro-7a-methyl-1H-inden-1-yl]nonanedioic acid diethyl ester

ethyl (5R)-5-[(1R,3aR,4S,7aR)-4-[tert-butyl(dimethyl)silyl]oxy-7a-methyl-1,2,3,3a,4,5,6,7-octahydroinden-1-yl]-9-hydroxy-9-methyl-decanoate

(17E,8β)-8-[(tert-butyldimethylsilyl)oxy]-des-A,B-pregn-17-(20)-en-21-oic acid ethyl ester