| Synonyms |
(17a)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one Oxime ; 18-Methylnorethindrone oxime ; BRN 4202099 ; D-Norgestrel 3-oxime ; Levonorgestrel 3-oxime ; ; (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-3-(hydroxyimino)-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-ol (non-preferred name) |