Synonyms: Amlodipine Besilate Imp. D (EP), Amlodipine Imp. D (EP), Amlodipine USP Related Compound A, Amlodipine USP RC A, Imp. D (EP) as Fumarate: 3-Ethyl 5-Methyl 2-[(2-Aminoethoxy)methyl]-4-(2-chlorophenyl)-6-methylpyridine-3,5-dicarboxylate Fumarate, 3-Ethyl 5-methyl [2-(2-aminoethoxymethyl)-4-(2-chlorophenyl)-6-methyl-3,5-pyridinedicarboxylate] fumarate, Amlodipine Related Compound A as Fumarate, Amlodipine Besilate Impurity D as Fumarate, Amlodipine Impurity D as Fumarate