Amlodipine Besilate Impurity - G

Dimethyl 4-(2-Chlorophenyl)-2,6-dimethyl-1,4-dihydro-pyridine-3,5-dicarboxylate;
4-(2-Chlorophenyl)-1,4-dihydro-2,6-dimethyl-3,5-pyridinedicarboxylic Acid 3,5-Dimethyl Ester; Amlodipine Related Compound C; 4-(2-Chlorophenyl)-3,5-di(methoxycarbonyl)-2,6-dimethyl-1,4- dihydropyridine;