1,3,5,7-Estratetraen-3-ol-17-one 3-HYDROXYESTRA-1,3,5(10),7-TETRAEN-17-ONE 3-Hydroxyestra-1,3,5(10),7-tetraen-17-one (9CI) 3-Hydroxyoestra-1,3,5(10),7-tetraen-17-one 4-08-00-01366 (Beilstein Handbook Reference) 474-86-2 7-Dehydroestrone BRN 2624302 Dihydroequilenin EINECS 207-488-6 Equilin Estra-1,3,5(10),7-tetraen-17-one, 3-hydroxy- NSC 10971