英文别名levonorgestrel; (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; Mirena; 13-Ethyl-17-ethynyl-17b-hydroxy-4-gonen-3-one; 17a-Ethynyl-18-homo-19-nortestosterone; Norgeston; 13b-Ethyl-17a-ethynyl-17b-hydroxygon-4-en-3-one; 18-METHYLNORETHINDRONE; 18-Methyl-17a-ethynyl-19-nortestosterone; (−)-Norgestrel; Norplant; (17a)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one; Levonelle; 13-β-ETHYL-17-α-ETHYNYL-17-β-HYDROXYGON-4-EN-3-ONE; monovar; sh850; wy3707; 17b-Hydroxy-18-methyl-19-nor-17a-pregn-4-en-20-yn-3-one; Levonova; 17a-Ethynyl-18-methyl-19-nortestosterone 
