17-beta-Hydroxy-17-methylestra-4,9,11-trien-3-one 17-beta-hydroxy-17-methylestra-4,9,11-trien-3-one (9CI) 17alpha-Methyltrienolone 17beta-Hydroxy-17-methylestra-4,9,11-trien-3-one 965-93-5 Estra-4,9,11-trien-3-one, 17-hydroxy-17-methyl-, (17beta)- (9CI) Estra-4,9,11-trien-3-one, 17beta-hydroxy-17-methyl- (8CI) METRIBOLONE Methyltrienolone Metribolona [INN-Spanish] Metribolone [DCF:INN] Metribolonum [INN-Latin] NSC 92858 R 1881 RU 1881