Acetic acid (5R,8R,9S,10S,13S,14S,16S,17R)-17-((S)-1,5-dimethyl-hexyl)-17-hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-16-yl ester                                                                                                                                                              在
                                                                                                                                                                                 
氢氧化钾                                                                                                                                  作用下,
                                                                                                                                                                                                                            生成                                                 (5R,8R,9S,10S,13S,14S,16S,17R)-17-((S)-1,5-Dimethyl-hexyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthrene-16,17-diol