(E)-16-<methylene>-3-methoxyestra-1,3,5(10)-trien-17β-ol 、
三氯乙酰异氰酸酯 生成 (2,2,2-Trichloro-acetyl)-carbamic acid (8R,9S,13S,14S,17R)-16-[1-{acetyl-[2-(2,2,2-trichloro-acetylcarbamoyloxy)-ethyl]-amino}-meth-(E)-ylidene]-3-methoxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-17-yl ester