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Certified Reference Standards...
化学名称: 17beta-hydroxy-17alpha-methyl-2-oxa-5alpha-androst-7-en-3-one (as per USP)
微笑: C[C@@]12[C@@](C)(O)CC[C@@]1([H])C3=CC[C@@]4([H])CC(OC[C@]4(C)[C@@]3([H])CC2)=O