trimethyl-[[(8R,9S,13S,14S,17S)-13-methyl-3-trimethylsilyloxy-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl]oxy]silane
trimethyl-[[(8R,9S,13S,14S,17S)-13-methyl-3-trimethylsilyloxy-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl]oxy]silane