英文别名Cyclic-3-(1,2-ethanediylacetal)-17beta-cyano-17alpha-hydroxy-estra-5(10),9(11)-dien-3-one; (17alpha)-3,3-[1,2-Ethanediylbis(oxy)]-17-hydroxyestra-5(10),9(11)-diene-17-carbonitrile; 17-Hydroxy-3-oxoestra-5(10),9(11)-diene-17beta-carbonitrile cyclic ethylene acetal; Cyclic-3-(1,2-Ethanediylacetal-17β-Cyano-17α-Hydroxy-19-Norpregna-5(10,9(11-DieN-3-One; (17α)-3,3-[1,2-Ethanediylbis(oxy)]-17-hydroxyestra-5(10),9(11)-diene-17-carbonitrile; cyclic-3-(1,2-ethanediylacetal)-17-cyano-17-hydroxy-estra-5(10),9(11)-dien-3-one; (8S,13S,14S,17R)-17-hydroxy-13-methylspiro[1,2,4,6,7,8,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane]-17-carbonitrile 
