| Synonyms |
Estra-5(10),9(11)-diene-3,17-dione, cyclic 3-(1,2-ethanediyl acetal), Spiro[3H-cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolane], estra-5(10),9(11)-diene-3,17-dione deriv., Dienogest Imp. L (EP), Estra-5(10),9(11)-diene-3,17-dione, cyclic 3-(ethylene acetal) (7CI,8CI), 3,3-(Ethylenedioxy)estra-5(10),9(11)-dien-17-one, Spiro[1,3-dioxolan-2,3'-estra-5'(10'),9'(11')-dien]-17'-one
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| IUPAC Name |
(8S,13S,14S)-13-methylspiro[1,2,4,6,7,8,12,14,15,16-decahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane]-17-one
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