Synonyms: | Fulvestrant Impurity 4;Estra-1,3,5(10),6-tetraene-3,17-diol, 7-[9-[(methylsulfonyl)oxy]nonyl]-, 17-acetate, (17β)-;(8R,9S,13S,14S,17S)-3-Hydroxy-13-methyl-7-(9-((methylsulfonyl)oxy)nonyl)-8,9,12,13,14,15,16,17-octahydro-11H-cyclopenta[a]phenanthren-17-yl acetate |