Atorvastatin EP Impurity D

3-(4-Fluorobenzoyl)-2-(2-methyl-1-oxopropyl)-N,3-diphenyloxiranecarboxamide; Atorvastatin Related Impurity D;|3-(4-Fluorobenzoyl)-2-isobutyryl-3-phenyl-oxirane-2-carboxylic acid phenylamide|3-[(4-fluorophenyl)-carbanoyl]-2-(2-methylpropanoyl)-N,3-diphenyloxirane-2-carboxamide|Atorvastatin Dicarboxamide Epoxy Impurity; Atorvastatin Impurity D|Atorvastatin EP Impurity D ; Atorvastatin USP Related Compound D ; Atorvastatin Diketo Epoxide Impurity ; Atorvastatin Degradation Product - ATV-FXA1 ; 3-(4-Fluorobenzoyl)-2-isobutyryl-3-phenyloxiran|N2-(4-fluorophenyl)-3-isobutyryl-N3,2-diphenyloxirane-2,3-dicarboxamide