(8S,9S,10R,13S,14S,17S)-10,13-Dimethyl-3-trimethylsilanyloxy-17-(1-trimethylsilanyloxy-vinyl)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene                                                                                                                                                                                                                                                                                                          生成                                                 
2-((8S,9S,10R,13R,14S,17R)-10,13-Dimethyl-3-trimethylsilanyloxy-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-ethanol