Amlodipine EP impurity A

Chemical Name: 3-Ethyl 5-methyl (4RS)-4-(2-chlorophenyl)-2-[[2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)ethoxy]methyl]-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate ; 4-(2-Chlorophenyl)-2-[[2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethoxy]methyl]-1,4-dihydro-6-methyl-3,5-pyridinedicarboxylic Acid 3-Ethyl 5-Methyl Ester

Synonym: Amlodipine USP RelatedCompound D ; Phthaloyl Amlodipine;

Smile: O=C(C1=C(COCCN2C(C(C=CC=C3)=C3C2=O)=O)NC(C)=C(C(OC)=O)C1C4=CC=CC=C4Cl)OCC