105801-89-6 3,9-Dihydroxy-11-(nitrooxy)estra-1,3,5(10)-trien-17-one (11beta)- 9-Hydroxy-11-nitroxyestrone 9-Hydroxyestrone-11-nitrate 9alpha-Hydroxyestrone-11beta-nitrate Estra-1,3,5(10)-trien-17-one, 3,9-dihydroxy-11-(nitrooxy)-, (11beta)-