di(2-Hydroxy Atorvastatin) CalciuM Salt ATV-FX1 sodiuM salt 3-Oxo Atorvastatin tert-Butyl Ester Atorvastatin Impurity 31 Atorvastatin Impurity 15 Difluoro Atorvastatin Acetonide tert-Butyl Ester Atorvastatin Dehydro Lactone Atorvastatin IMpurity G 3S,5R isoMer, or (3S,5R)-7-[3-(phenylcarbaMoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid calciuM salt Ortho-Hydroxy atorvastatin calcium salt Atorvastatin Atorvastatin Impurity 46 Atorvastatin Impurity 38 Atorvastatin 2-[1,2-Bis-(4-fluoro-phenyl)-2-oxo-ethyl]-4-methyl-3-oxo-pentanoic acid phenylamide 2,3-Dehydroxy Atorvastatin Sodium Salt Atorvastatin Impurity 20 O-Methyl Atorvastatin Calcium Salt