PRE-CADASTRO 6-Keto Fulvestrant (25 mg) ((7Alpha,17Beta)-7-[9-[4,4,5,5,5-pentafluoropentyl)sulfinyl]nonyl]-3,17Beta-dihydroxyestra-1,3,5(10)-trien-6-one - 7Alpha-{9-[(4,4,5,5,5,-Pentafluoropentyl)sulfinyl]nonyl}estra-1,3,5(10)-triene-6-one-3,17Beta-diol)