Chemical Name:Estra-5(10),9(11)-diene-3,17-dione 3-Ethylene Ketal; (8S,13S,14S)-13-methyl-1,4,6,7,8,12,13,14,15,16-decahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17(2H)-one
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Chemical Name:Estra-5(10),9(11)-diene-3,17-dione 3-Ethylene Ketal; (8S,13S,14S)-13-methyl-1,4,6,7,8,12,13,14,15,16-decahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolan]-17(2H)-one