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基于 PubChem CID 索引，支持名称 / 同义词 / CAS / SMILES 检索。
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3,17-Dihydroxy-19-nor-17alpha-pregna-1,3,5(10)-trien-20-yn-6-one; Ethinylestradiol Imp. G (EP); 6-Oxoethinylestradiol; 6-Ketoethinylestradiol; Ethinyl Estradiol Related Compound A; Ethinylestradiol Impurity G CAS 38002-18-5 PubChem CID 11209099
C#C[C@]1(O)CC[C@H]2[C@@H]3CC(=O)c4cc(O)ccc4[C@H]3CC[C@@]21C -
(8R,9S,13S,14S,17R)-17-ethynyl-3,17-dihydroxy-13-methyl-7,8,9,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-6-one CAS 38002-18-5 PubChem CID 13020825
C#CC1(O)CCC2C3CC(=O)c4cc(O)ccc4C3CCC21C -
USP Ethinylestradiol Related Compound A; 6-Keto Ethinylestradiol; 3,17?-Dihydroxy-17?-ethinylestra-1,3,5(10)-trien-6-one; (17?)-3,17-Dihydroxy-19-norpregna-1,3,5(10)-trien-20-yn-6-one CAS 38002-18-5 PubChem CID 145714509
C[C@]12CC[C@@H]3c4ccc(O)cc4CC[C@H]3[C@@H]1CC(=O)[C@@]2(C)O -
(8R,9S,13S,14S,17R)-17-ethynyl-3,17-dihydroxy-13-methyl-7,8,9,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-6-one CAS 38002-18-5 PubChem CID 149041891
C#C[C@]1(O)CCC2C3CC(=O)c4cc(O)ccc4C3CC[C@@]21C -
C#C[C@@]1(O)CC[C@H]2[C@H]3CC(=O)c4cc(O)ccc4[C@@H]3CC[C@]21C