光气   、                                                                                      Benzoic acid (3S,5R,6R,8S,13R,14S,17R)-17-((R)-1,5-dimethyl-hexyl)-6-hydroxy-5,13-dimethyl-2,3,4,5,6,7,8,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester   、                                                                                      
N,N-二甲基苯甲酰胺                                                                                                                                                                                                                                                                                                          生成                                                 
5-methyl-19-nor-5β-cholest-9-ene-3β,6β-diol 3-benzoate 6-thiobenzoate