Synonyms
: 17-Ethynyl-18-methyl-19-nortestosterone; (17α)-13-Ethyl-17-hydroxy -18,19-dinorpregn-4-en-20-yn-3-one; Levonorgestrel; D-Norgestrel; Dexnorgestrel; Levonelle; Levonova; Microlut; Microval; Norgeston; (8R,9S,10R,13S,14S,17R)-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;
