Synonyms: | Norvinisterone;(17R)-17-Hydroxy-19-norpregna-4,20-dien-3-one;(17R)-17α-Vinyl-19-nortestosterone;Neoprogestin;Nor-progestelea;SC-4641;(8R,9S,10R,13S,14S,17R)-17-ethenyl-17-hydroxy-13-methyl-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one;19-Norpregna-4,20-dien-3-one, 17-hydroxy-, (17α)- |