Not Less Than - 95%
Atorvastatin Cyclic Sodium Salt Isopropyl Impurity; Atorvastatin Cyclic 6-Hydroxy Impurity Sodium Salt; Atorvastatin FXA Impurity Sodium Salt; Atorvastatin Epoxy Pyrroloxazine 6 Hydroxy Analog; 4-{6-(4-Fluorophenyl)-7,8-epoxy-6-hydroxy-8a-isopropyl-7-phenyl-8-(phenylcarbamoyl)hexahydro-2H -pyrrolo[2,1-b][1,3]oxazin-2-yl}-3-hydroxybutanoic acid sodium salt; 7-(4-Fluorophenyl)hexahydro-β,7-dihydroxy-1b-(1-methylethyl)-7a-phenyl-1a-[(phenylamino)carbonyl]-3H-oxireno[3,4]pyrrolo[2,1-b][1,3]oxazine-3-butanoic Acid Sodium Salt; sodium 4-(7-(4-fluorophenyl)-7-hydroxy-1b-isopropyl-7a-phenyl-1a-(phenylcarbamoyl)hexahydro-3H-oxireno[2',3':3,4]pyrrolo[2,1-b][1,3]oxazin-3-yl)-3-hydroxybutanoate