Fulvestrant Impurity 22

Chemical Name: (7R,8R,9S,10R,13S,14S,17S)-7-(9-((tert-butyldimethylsilyl)oxy)nonyl)-13-methyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl acetate

Synonym: 1-(4-tert-Pentylphenyl)propan-1-one

Smile: C[C@]12[C@](CC[C@@H]1OC(C)=O)([H])[C@]([C@@](CC2)([H])[C@@]3([H])CC4)([H])[C@@H](CC3=CC4=O)CCCCCCCCCO[Si](C)(C)C(C)(C)C