Amlodipine Impurity 10

3-Ethyl 5-Methyl 4-(2-Chlorophenyl)-2-(methoxymethyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate is an impurity of Amlodipine (A633495), which could be used as a dihydropyridine calcium channel blocker; activity resides mainly in the (-)-isomer.