Synonyms:
phthaloyl amlodipine ; phthalimidoamlodipine ; amlodipine intermediate ; amlodipine impurity-a(ep) ; 4-(2-chlorophenyl)-3-ethoxy carbonyl-5-methoxy carbonil-6-methyl-2-(phthalimidoethoxy)methyl-1,4-dihydropyridine ; 4-(2-chlorophenyl)-3-ethoxycarbonyl-5-methoxycarbonyl-6-methyl-2-(phthalimidoethoxy)methyl-1,4-dihydropyridine ; amlodipine ep impurity a ; 4-(2-chlorophenyl)-3-(ethoxycarbonyl)-5-(methoxycarbonyl)-6-methyl-2-[(2-phthal ; 3-ethyl-5-methyl-4-(2-chlorophenyl)-2-(2-phthalimidoethoxyl)methyl-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate ; phthaloyl amlodipine (p-3) of rs-amlodipine besylate