18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17α)-
18,19-Dinor-17α-pregn-4-en-20-yn-3-one, 13-ethyl-17-hydroxy-
(17α)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one
13-Ethyl-17α-ethynylgon-4-en-17β-ol-3-one
13β-Ethyl-17α-ethynyl-17β-hydroxygon-4-en-3-one
19-Nortestosterone, 17-ethynyl-18-methyl-
17β-Hydroxy-18-methyl-19-nor-17α-pregn-4-en-20-yn-3-one
18-Methyl-17α-ethynyl-19-nortestosterone
17α-Ethynyl-17-hydroxy-18-methylestr-4-en-3-one
17α-Ethynyl-18-methyl-19-nortestosterone
13-Ethyl-17α-ethynyl-17-hydroxygon-4-en-3-one
13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-4-en-20-yn-3-one
17α-Ethynyl-18-homo-19-nortestosterone
13-Ethyl-17-ethynyl-17β-hydroxy-4-gonen-3-one
17α-Ethynyl-13β-ethyl-3-oxo-4-estren-17β-ol
Levonorgestrel
17α-Ethynyl-13-ethyl-19-nortestosterone
Norplant
Follistrel
D-(-)-Norgestrel
Norplant 2
18-Methylnorethindrone
Microluton
(-)-Norgestrel
D-Norgestrel
Norplant II
Levonova
Jadelle
Norlevo
Mirena
Norgestrelem
Wy 5104
Microlut
Norgeston
Dexnorgestrel
Microval
Postinor 2
Lng-IUS
d-(17α)-17-Hydroxy-13-ethyl-18,19-dinorpregn-4-en-20-yn-3-one
Femilis
Femilis Slim
Sino-implant (II)
Plan B One-Step
Skyla
Jaydess