(17beta)-17-Hydroxy-17-(2-propenyl)estra-4,9,11-trien-3-one 17-alpha-Allyl-estratriene-4,9,11,17-beta-ol-3-one 17alpha-Allyl-17-hydroxyestra-4,9,11-trien-3-one 850-52-2 A 35957 Allyl trenbolone Altrenogest Altrenogest [USAN:BAN:INN] Altrenogestum [INN-Latin] DRC 6246 EINECS 212-703-1 ESTRA-4,9,11-TRIEN-3-ONE, 17-alpha-ALLYL-17-HYDROXY- Estra-4,9,11-trien-3-one, 17-hydroxy-17-(2-propenyl)-, (17-beta)- (9CI) Estra-4,9,11-trien-3-one, 17beta-hydroxy-17-(2-propenyl)- R 2267 REGU-MATE RU 2267