Chemical Name: Pregn-4-ene-3,20-dione, 17-hydroxy-, (17α)-; 17α-Pregn-4-ene-3,20-dione, 17-hydroxy- (6CI,8CI); (17α)-17-Hydroxypregn-4-ene-3,20-dione; 17-Hydroxyisopregn-4-en-3,20-dione; 17β-Hydroxy-17α-pregn-4-ene-3,20-dione; 17β-Hydroxyprogesterone; Pregn-4-ene-17α-hydroxy-3,20-dione