7β-Fulvestrant;Fulvestrant IMpurity A;Fulvestrant EP impurity A -F;Fulvestrant EP impurity A;Fulvestrant Impurity 1(Fulvestrant EP Impurity A);Fulvestrant EP Impurity A (Fulvestrant beta-Isomer);Fulvestrant impurity 1/Fulvestrant EP Impurity A/Fulvestrant beta-Isomer/(7S,8R,9S,13S,14S,17S)-13-Methyl-7-(9-((4,4,5,5,5-pentafluoropentyl)sulfinyl)nonyl)-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol;Estra-1,3,5(10)-triene-3,17-diol, 7-[9-[(4,4,5,5,5-pentafluoropentyl)sulfinyl]nonyl]-, (7β,17β)- (9CI)
