Amlodipine Impurity 23

Chemical Name: ethyl 4-(2-(1,3-dioxoisoindolin-2-yl)ethoxy)-3-oxobutanoate ; Ethyl 4-(2-Phthalimidoethoxy)acetoacetate; 4-[2-(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)ethoxy]-3-oxobutanoic Acid Ethyl Ester

Synonym: (3RS)-3-[4-(4-Chlorobenzoyl)phenoxy]butan-2-one ;