(Z)-16-<(Benzylamino)methylene>-5α-androstane-3β,17β-diol   、                                                                                      
三氯乙酰异氰酸酯                                                                                                                                                                                                                                                                                                          生成                                                 (2,2,2-Trichloro-acetyl)-carbamic acid (3S,5S,8R,9S,10S,13S,14S,17R)-16-[1-benzylamino-meth-(Z)-ylidene]-10,13-dimethyl-3-(2,2,2-trichloro-acetylcarbamoyloxy)-hexadecahydro-cyclopenta[a]phenanthren-17-yl ester