2,2-Dimethyl-propionic acid (2R,6R)-6-{(3R,5S,8R,9S,10S,13R,14S,17R)-3-[2-(4-benzoyl-phenyl)-acetoxy]-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl}-2-methyl-heptyl ester

(25R)-3β,26-bis[(tert-butyldimethylsilyl)oxy]-cholest-5-en-15α-(2-methoxyethoxymethyl)oxy ether

(25R)-3β,26-bis[(tert-butyldimethylsilyl)oxy]-cholesta-5,15-diene

(25R)-3β,26-bis[(tert-butyldimethylsilyl)oxy]-cholest-5-en-15α-ol-16-one

(25R)-3β,26-bis[(tert-butyldimethylsilyl)oxy]-cholest-5-en-15α-(2-methoxyethoxymethyl)oxy-16-ol