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 Sodium salt (as per USP)
Synonym: Atorvastatin Lactam Impurity ; Atorvastatin Oxo Impurity ; Atorvastatin EP impurity Q(SODIUM SALT)
Smile: FC1=CC=C(C=C1)C(N(CC[C@@H](O)C[C@@H](O)CC([O-])=O)CC2(C(C)C)C(NC3=CC=CC=C3)=O)=C2C4=CC=CC=C4.[Na+]