1162-60-3
(7a,17a)-17-羟基-7-甲基-19-去甲孕甾-4-烯-20-炔-3-酮
+
107-21-1
乙二醇
→
~63%
677299-58-0
Tibolone 3-Ethylene Ketal
141664-12-2
(7R,8R,9S,13S,14S)-7,13-dimethylspiro[1,2,4,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane]-17-one
74-86-2
乙炔
~54%