(8S,9S,10S,11R,13S,14S,16R)-9,11-dichloro-17-(2-hydroxyacetyl)-10,13,16-trimethyl-7,8,11,12,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-3-one   、                                                                                      
Dicyclohexylmethyl carbonochloridate                                                                                                                                                                                                                                                                                                          生成                                                 [2-[(8S,9S,10S,11R,13S,14S,16R)-9,11-dichloro-10,13,16-trimethyl-3-oxo-7,8,11,12,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-17-yl]-2-oxoethyl] dicyclohexylmethyl carbonate