11beta-(4-(5-((4,4,5,5,5-Pentafluoropentyl)sulfonyl)pentyloxy)phenyl)-estra-1,3,5(10)-triene,3,17beta-diol 151555-47-4 Estra-1,3,5(10)-triene-3,17-diol, 11-(4-((5-((4,4,5,5,5-pentafluoropentyl)sulfonyl)pentyl)oxy)phenyl)-, (11beta,17beta)- RU 58 668 RU 58668