(7alpha,17beta)-7-[9-[(4,4,5,5,5-Pentafluoropentyl)thio]nonyl]-3,17-bis[(tetrahydro-2H-pyran-2-yl)oxy]estra-1,3,5(10)-trien-6-ol,(7S,8R,9S,13S,14S,17S)-13-methyl-7-(9-((4,4,5,5,5-pentafluoropentyl)thio)nonyl)-3,17-bis((tetrahydro-2H-pyran-2-yl)oxy)-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-6-ol,Fulvestrant