| Synonyms: | Dydrogesterone bis(Ethylene Acetal);(9R,10S,13S,14R,17S)-10,13-dimethyl-17-(2-methyl-1,3-dioxolan-2-yl)spiro[1,2,4,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,2'-1,3-dioxolane];Dydrogesterone Impurity 1;Pregna-5,7-diene-3,20-dione, cyclic 3,20-bis(1,2-ethanediyl acetal), (9β,10α)-;Dydrogesterone Impurity 6;Dydrogesterone Bis(Ethylene Acetal)/9β,10α-3,20-Bis (ethylenedioxy)pregna-5,7-diene-3,20-dione;3,3,20,20-Bis-ethylendioxy-9β,10α-pregna-5,7-dien;(10S,13S,17S)-10,13-dimethyl- 17- (2-methyl-1,3-dioxolan-2- yl)- 1,2,4,9,10,11,12,13,14,15,16, 17- dodecahydrospiro[cyclopenta [a]phenanthrene-3,2'- [1,3]dioxolane] |