| Synonyms: | Desogestrel Related Compound (3-alpha-Hydroxy Desogestrel);(3R,8S,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-11-methylidene-1,2,3,6,7,8,9,10,12,14,15,16-dodecahydrocyclopenta[a]phenanthrene-3,17-diol;Desogestrel Impurity 2 (3-alpha-Hydroxy Desogestrel);Desogestrel IMpurity 6;(3R,8S,9S,10R,13S,14S,17S)-13-ethyl-17-ethynyl-11-methylene-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol;18,19-Dinorpregn-4-en-20-yne-3,17-diol, 13-ethyl-11-methylene-, (3α,17α)- |