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(1R,3aS,3bR,5R,9aR,9bS,11aR)-11a-Ethyl-1-ethynyl-1,5-dihydroxy-1,2,3,3a,3b,4,5,8,9,9a,9b,10,11,11a-tetradecahydro-7H-cyclopenta[a]phenanthren-7-one CAS 55555-97-0 PubChem CID 71748887
C#C[C@]1(O)CC[C@H]2[C@@H]3C[C@@H](O)C4=CC(=O)CC[C@@H]4[C@H]3CC[C@]21CC -
(6beta,17alpha)-13-Ethyl-6,17-dihydroxy-18,19-dinorpregn-4-en-20-yn-3-one CAS 55555-97-0 PubChem CID 71777522
C#C[C@]1(O)CCC2C3C[C@@H](O)C4=CC(=O)CCC4C3CC[C@@]21CC -
(6S,8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-6,17-dihydroxy-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one CAS 55555-97-0 PubChem CID 92029866
C#CC1(O)CCC2C3CC(O)C4=CC(=O)CCC4C3CCC21CC -
Levonorgestrel Imp. H (EP); 13-Ethyl-6beta,17-dihydroxy-18,19-dinor-17alpha-pregn-4-en-20-yn-3-one; Levonorgestrel Imp. H (Pharmeuropa); 6beta-Hydroxylevonorgestrel; Levonorgestrel Impurity H CAS 55555-97-0 PubChem CID 129318271
C#C[C@]1(O)CC[C@H]2[C@@H]3C[C@@H](O)C4=CC(=O)CC[C@@H]4[C@H]3CC[C@@]21CC -
13-Ethyl-6beta,17-dihydroxy-18,19-dinor-17alpha-pregn-4-en-20-yn-3-one (6beta-Hydroxylevonorgestrel) CAS 55555-97-0 PubChem CID 129627171
C#C[C@]1(O)CC[C@H]2[C@@H]3C[C@@H](O)C4=CC(=O)CC[C@@H]4[C@H]3CCC21CC -
C#C[C@]1(O)CC[C@H]2[C@@H]3C[C@@H](O)C4=CC(=O)CCC4[C@H]3CCC21CC -
6?-Hydroxylevonorgestrel; 13-Ethyl-6?,17-dihydroxy-18,19-dinor-17?-pregn-4-en-20-yn-3-one; (6?,17?)-13-Ethyl-6,17-dihydroxy-18,19-dinorpregn-4-en-20-yn-3-one CAS 55555-97-0 PubChem CID 145714498
C#C[C@@]1(O)CC[C@H]2[C@@H]3C[C@@H](O)C4=CC(=O)CCC4[C@H]3CC[C@]21CC