Preferred Label : 13-ethyl-3-methoxy-8,14-secogona-1,3,5(10),9(11)-tetraene-14,17-dione;
MeSH note : starting material for norgestrel;
MeSH synonym : 13-EMSGTD;
Registry Number MeSH : 62298-52-6;
Is substance : O;
Origin ID : C063748;
UMLS CUI : C0640726;
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