[(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-3-trimethylsilyloxy-2,7,8,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl]oxy-trimethylsilane;[(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-3-trimethylsilyloxy-2,7,8,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl]oxy-trimethyl-silane
[(8R,9S,10R,13S,14S,17S)-10,13-dimethyl-3-trimethylsilyloxy-2,7,8,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl]oxy-trimethylsilane