Atorvastatin EP Impurity D (D1)

Chemical Name: (2Ξ,3Ξ)-3-(4-fluorobenzoyl)-2-(2-methylpropanoyl)-N,3-diphenyloxirane-2-carboxamide (D1) (as per EP) ; Epoxide Impurity, 3-(4-Fluorobenzoyl)-2-isobutyryl-N,3-diphenyloxirane-2-carboxamide (as per USP)

Synonym: Atorvastatin USP Related Compound D ; Atorvastatin Diketo Epoxide ; 15-epi Carboprost ; Atorvastatin Degradation Product - ATV-FXA1

Smile: CC(C)C(C1(C(NC2=CC=CC=C2)=O)OC1(C3=CC=CC=C3)C(C4=CC=C(F)C=C4)=O)=O