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(8S,9S,10S,13S,14S,17R)-13-ethyl-17-ethynyl-10,17-dihydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one/(8R,9R,10R,13R,14R,17S)-13-ethyl-17-ethynyl-10,17-dihydroxy-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one CAS 21508-50-9 PubChem CID 71748888
C#C[C@]1(O)CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@]4(O)[C@H]3CC[C@@]21CC -
13-Ethyl-10,17-dihydroxy-18,19-dinor-17alpha-pregn-4-en-20-yn-3-one CAS 21508-50-9 PubChem CID 92029864
C#CC1(O)CCC2C3CCC4=CC(=O)CCC4(O)C3CCC21CC -
(17alpha)-13-Ethyl-10,17-dihydroxy-18,19-dinorpregn-4-en-20-yn-3-one CAS 21508-50-9 PubChem CID 121231007
C#C[C@]1(O)CCC2C3CCC4=CC(=O)CC[C@]4(O)C3CC[C@@]21CC