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(1R,3aS,3bR,9aR,9bS,11aS)-11a-Ethyl-1-ethynyl-7-(hydroxyimino)-2,3,3a,3b,4,5,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-cyclopenta[a]phenanthren-1-ol--(1R,3aS,3bR,9bS,11aS)-1-ethynyl-11a-methyl-2,3,3a,3b,4,5,9b,10,11,11a-decahydro-1H-cyclopenta[a]phenanthrene-1,7-diol (1/1) CAS 396715-57-4 PubChem CID 44151751
C#C[C@]1(O)CC[C@H]2[C@@H]3CCC4=CC(=NO)CC[C@@H]4[C@H]3CC[C@@]21CC.C#C[C@]1(O)CC[C@H]2[C@@H]3CCc4cc(O)ccc4[C@H]3CC[C@@]21C -
(8R,9S,10R,13S,14S,17R)-17-ethynyl-17-hydroxy-13-methyl-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one; (8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol CAS 37270-71-6 PubChem CID 62925
C#C[C@]1(O)CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@@H]4[C@H]3CC[C@@]21C.C#C[C@]1(O)CC[C@H]2[C@@H]3CCc4cc(O)ccc4[C@H]3CC[C@@]21C -
[(3S,8R,9S,10R,13S,14S,17R)-17-acetyloxy-17-ethynyl-13-methyl-2,3,6,7,8,9,10,11,12,14,15,16-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl] acetate; (8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol CAS 8075-78-3 PubChem CID 66466
C#C[C@]1(O)CC[C@H]2[C@@H]3CCc4cc(O)ccc4[C@H]3CC[C@@]21C.C#C[C@]1(OC(C)=O)CC[C@H]2[C@@H]3CCC4=C[C@@H](OC(C)=O)CC[C@@H]4[C@H]3CC[C@@]21C -
(8S,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-11-methylidene-2,6,7,8,9,10,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one;(8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol CAS 131562-74-8 PubChem CID 9960701
C#C[C@]1(O)CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@@H]4[C@H]3C(=C)C[C@@]21CC.C#C[C@]1(O)CC[C@H]2[C@@H]3CCc4cc(O)ccc4[C@H]3CC[C@@]21C -
C#C[C@]1(O)CC[C@H]2[C@@H]3CCc4cc(O)ccc4[C@H]3CC[C@@]21C.C[C@]12CCC(=O)C=C1[C@@H]1C[C@@H]1[C@H]1[C@@H]3[C@@H]4C[C@@H]4[C@@]4(CCC(=O)O4)[C@@]3(C)CC[C@@H]12 -
19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol; 17-epi-Ethynylestradiol; 17a-Estradiol, 17-ethynyl-; 17ss-Ethynylestradiol; 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol (17ss-Ethinylestradiol); Ethinylestradiol Imp. A (EP) CAS 4717-38-8 PubChem CID 145760
C#C[C@@]1(O)CC[C@H]2[C@@H]3CCc4cc(O)ccc4[C@H]3CC[C@@]21C -
C#C[C@]1(O)CC[C@H]2[C@@H]3CCc4cc(OC5CCCC5)ccc4[C@H]3CC[C@@]21C -
(17a)-2-Methyl-19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol; 19-Nor-17a-pregna-1,3,5(10)-trien-20-yne-3,17-diol, 2-methyl- (7CI); 2-Methyl-19-nor-17a-pregna-1,3,5(10)-trien-20-yne-3,17-diol (2-Methyl-ethinylestradiol); 2-Methyl Ethynyl Estradiol; Ethinylestradiol Imp M (EP) CAS 3240-39-9 PubChem CID 13991395
C#C[C@]1(O)CC[C@H]2[C@@H]3CCc4cc(O)c(C)cc4[C@H]3CC[C@@]21C -
C#C[C@]1(O)CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@@H]4[C@H]3CC[C@@]21C -
C#C[C@]1(O)CC[C@H]2[C@@H]3CCc4cc(OC)ccc4[C@H]3CC[C@@]21C -
(1R,3aS,3bR,9bS,11aS)-1-Ethynyl-11a-methyl-2,3,3a,3b,4,5,9b,10,11,11a-decahydro-1H-cyclopenta[a]phenanthrene-1,7-diol--(1R,3aS,3bS,9aR,9bS,11aS)-11a-ethyl-1-ethynyl-10-methylidene-2,3,3a,3b,4,5,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-cyclopenta[a]phenanthren-1-ol (1/1) CAS 71138-35-7 PubChem CID 62957
C#C[C@]1(O)CC[C@H]2[C@@H]3CCC4=CCCC[C@@H]4[C@H]3C(=C)C[C@@]21CC.C#C[C@]1(O)CC[C@H]2[C@@H]3CCc4cc(O)ccc4[C@H]3CC[C@@]21C -
1-Methyl-19-nor-17a-pregna-1,3,5(10)-trien-20-yne-3,17-diol (8CI); Estradiol, 17-ethynyl-1-methyl- (6CI); NSC 29746; 1-Methyl Ethynyl Estradiol; Ethinylestradiol Imp. J (EP) CAS 15071-66-6 PubChem CID 232402
C#C[C@]1(O)CC[C@H]2[C@@H]3CCc4cc(O)cc(C)c4[C@H]3CC[C@@]21C -
(1R,3aS,3bR,9bS,11aS)-1-ethynyl-1-hydroxy-11a-methyl-1H,2H,3H,3aH,3bH,4H,5H,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-7-yl propane-2-sulfonate CAS 28913-23-7 PubChem CID 68582
C#C[C@]1(O)CC[C@H]2[C@@H]3CCc4cc(OS(=O)(=O)C(C)C)ccc4[C@H]3CC[C@@]21C -
(8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15, 16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol CAS 57-63-6 PubChem CID 3285
C#CC1(O)CCC2C3CCc4cc(O)ccc4C3CCC21C -
Ethinylestradiol Imp. F (EP); 19-Nor-17alpha-pregna-1,3,5(10)-trien-20-yne-3,6beta,17-triol; 6beta-Hydroxyethinylestradiol; Ethinylestradiol Impurity F CAS 56324-28-8 PubChem CID 11771367
C#C[C@]1(O)CC[C@H]2[C@@H]3C[C@@H](O)c4cc(O)ccc4[C@H]3CC[C@@]21C -
[(1S,2S,5R,11R,12S,15R,16S)-15-acetyl-9-chloro-2,16-dimethyl-6-oxo-15-pentacyclo[9.7.0.02,8.03,5.012,16]octadeca-7,9-dienyl] acetate;(8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol CAS 60528-19-0 PubChem CID 107694
C#C[C@]1(O)CC[C@H]2[C@@H]3CCc4cc(O)ccc4[C@H]3CC[C@@]21C.CC(=O)O[C@]1(C(C)=O)CC[C@H]2[C@@H]3C=C(Cl)C4=CC(=O)[C@@H]5CC5[C@]4(C)[C@H]3CC[C@@]21C -
(13S,14R,17R)-17-Ethynyl-13-methyl-12,13,14,15,16,17-hexahydro-11H-cyclopenta[a]phenanthrene-3,17-diol CAS 1357266-17-1 PubChem CID 13991398
C#CC1(O)CCC2c3ccc4cc(O)ccc4c3CCC21C -
(1R,3aS,3bR,9bS,11aS)-11a-methyl-1H,2H,3H,3aH,3bH,4H,5H,9bH,10H,11H,11aH-cyclopenta[a]phenanthrene-1,7-diol CAS 57-91-0 PubChem CID 68570
C[C@]12CC[C@@H]3c4ccc(O)cc4CC[C@H]3[C@@H]1CC[C@H]2O -
Ethinylestradiol Imp. E (EP); 19-Nor-17alpha-pregna-1,3,5(10)-trien-20-yne-3,6alpha,17-triol; 6alpha-Hydroxyethinylestradiol; Ethinylestradiol Impurity E CAS 27521-34-2 PubChem CID 13991348
C#C[C@]1(O)CC[C@H]2[C@@H]3C[C@H](O)c4cc(O)ccc4[C@H]3CC[C@@]21C -
(8R,9S,13S,14S,17R)-17-ethynyl-3-methoxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-ol CAS 72-33-3 PubChem CID 4080
C#CC1(O)CCC2C3CCc4cc(OC)ccc4C3CCC21C