Preferred Label : 3-hydroxy-1,3,5(10),8,9-estratetraen-17-one;
MeSH note : a third equine estrogen component of Premarin; structure in first source;
MeSH synonym : 8,9-dehydroestrone;
Is substance : O;
UNII : 7C1N8RKG9F;
Origin ID : C433365;
UMLS CUI : C0968913;
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