Ezetimibe Open-Ring Anhydro Acid ;Ezetimibe Anhydro Azetidinone Ring-Opened Impurity

Ezetimibe Open-Ring Anhydro Acid ;Ezetimibe Anhydro Azetidinone Ring-Opened Impurity

(R,E)-5-(4-Fluorophenyl)-2-((S)-(4-fluorophenylamino)(4-hydroxyphenyl)methyl)pent-4-enoic acid

Impurity reference standard used for related substances testing of Ezetimibe drug substance and drug product per pharmacopoeial limits.