3-Hydroxyestra-1,3,5(10),6,8-pentaen-17-one 517-09-9 Equilenin Equilenina Equilenine Estra-1,3,5(10),6,8-pentaen-17-one, 3-hydroxy- Estra-1,3,5,7,9-pentaen-17-one, 3-hydroxy- Isoequilenin NSC9901 WLN: L E5 B666 FVTT&&J E1 OQ