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Certified Reference Standards...
化学名称: 6-Methyl-17-hydroxypregna-4,6-diene-3,20-dione (as per EP)
异名: Megestrol
微笑: O[C@@]([C@]12C)(CC[C@@]1([H])[C@@](C=C(C)C3=CC4=O)([H])[C@]([C@]3(CC4)C)([H])CC2)C(C)=O
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