Similar names: 17alpha-Hydroxyandrost-4-en-3-one; Testosterone Imp. C (EP); Androst-4-en-3-one, 17-hydroxy-, (17α)-; Androst-4-en-3-one, 17α-hydroxy- (8CI); (17α)-17-Hydroxyandrost-4-en-3-one; 17-Epitestosterone; 17α-Hydroxyandrost-4-en-3-one; 17α-Hydroxyandrost-4-ene-3-one; 17α-Testosterone; 17α-cis-Testosterone; 4-Androstene-17α-ol-3-one; Androst-4-en-17α-ol-3-one; Epitestosterone; Isotestosterone; NSC 26499; Testosterone, cis-; cis-Testosterone; epi-Testosterone