17a-Pregn-4-ene-3,20-dione,17-hydroxy- (6CI,8CI);17-Hydroxyisopregn-4-en-3,20-dione;17b-Hydroxy-17a-pregn-4-ene-3,20-dione;17b-Hydroxyprogesterone;Pregn-4-ene-17a-hydroxy-3,20-dione;
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