1-[(3S,5S,8R,9S,10S,13R,14S,17S)-10,13-dimethyl-3-trityloxy-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]ethanone
CAS No. 23328-08-7