Synonyms: Dextronorgestrel;(+)-Norgestrel;L-Norgestrel;18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (8-
alpha,9-beta,10-alpha,13-alpha,14-beta)-;18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-
,(8alpha,9beta,10alpha,13alpha,14beta)-;
;(8S,9R,10S,13R,14R,17S)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one (non-preferred name)