1α-Methyl-4-androstene-17β,19-diol   、                                                                                      1α-methyl-4-androstene-3β,17β,19-triol   、                                                                                      7α-Methyl-4-androstene-3β,17β,19-triol   、                                                                                      
3β, 17β,19-Tri(trimethylsiloxy)androst-4-ene                                                                                                                                                                                                                                                                                                          以above results in the formation of 1α-methyl-17β,19-di(trimethylsiloxy)androst-4-ene, 1α-methyl-3β,17β,19-tri(trimethylsiloxy)androst-4-ene and 7α-methyl-3β,17β,19-tri(trimethylsiloxy)-4-androstene的产率得到1alpha-Methyl-17beta,19-di(trimethylsiloxy)androst-4-ene