12-alpha-Bromo-11-beta-hydroxypregn-4-ene-3,20-dione 1242-47-3 4-08-00-02186 (Beilstein Handbook Reference) BRN 3165270 NSC 45416 Pregn-4-ene-3,20-dione, 12-alpha-bromo-11-beta-hydroxy- Pregn-4-ene-3,20-dione, 12-bromo-11-hydroxy-, (11beta,12alpha)- (9CI) Pregn-4-ene-3,20-dione, 12alpha-bromo-11beta-hydroxy- (8CI)