Atorvastatin impurity 2/Atorvastatin Lactam Sodium Salt Impurity/Atorvastatin Pyrrolidone Analog (USP)/ (βR,δR)-5-(4-Fluorophenyl)-2,3-dihydro-β,δ-dihydroxy-3-(1-methylethyl)-2-oxo-4-phenyl-3-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic Acid Sodium Salt
Atorvastatin Lactam Sodium Salt Impurity;(βR,δR)-5-(4-Fluorophenyl)-2,3-dihydro-β,δ-dihydroxy-3-(1-Methylethyl)-2-oxo-4-phenyl-3-[(phenylaMino)carbonyl]-1H-pyrrole-1-heptanoic Acid SodiuM Salt;Atorvastatin Pyrrolidone Analog (USP);Atorvastatin Pyrrolidone Analog