(8?,9?,10?,13?,14?)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one; (+)-Norgestrel; Dextronorgestrel; L-Norgestrel;L(+)-Norgestrel
(8?,9?,10?,13?,14?)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one; (+)-Norgestrel; Dextronorgestrel; L-Norgestrel;L(+)-Norgestrel