3-Methoxy-18-methylestra-2,5(10)dien-17-one 17-ethylene ketal
13-乙基-3Β-甲氧基甾烷-2,5(10)-二烯-17-酮-17-环亚乙基缩酮
CAS No. 19741-72-1
8a-Gona-2,5(10)-dien-17-one,13-ethyl-3-methoxy-, cyclic ethylene acetal, (?à)- (8CI);Spiro[17H-cyclopenta[a]phenanthrene-17,2'-[1,3]dioxolane],gona-2,5(10)-dien-17-one deriv.
13-乙基-3Β-甲氧基甾烷-2,5(10)-二烯-17-酮-17-环亚乙基缩酮