Chemical Name: (3R,5R)-7-[5-(4-Fluorophenyl)-3-isopropyl-2-oxo-4-phenyl-3-(phenylcarbamoyl)-2,3-dihydro-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid
Synonym: Atorvastatin EP impurity Q
Smile: O=C(C(C(C)C)(C1=O)C(C2=CC=CC=C2)=C(N1CC[C@H](C[C@H](CC(O)=O)O)O)C3=CC=C(C=C3)F)NC4=CC=CC=C4