(1R,2R,4S,5R,6R)-4-(benzyloxy)-6-(methoxymethoxy)-2-vinylbicyclo[3.2.1]octane

(1S,2R,4S,5R,7S)-7-allyl-4-(benzyloxy)-7-methyl-2-vinylbicyclo[3.2.1]octan-6-one

19-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-androst-4-ene-3,17-dione

3β,10β-Dihydroxy-19-norandrost-5-en-17-one