Name：Amlodipine besilate    

                                                                                   
Intermediate name：2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-3-ethoxycarbonyl-5-methoxycarbonyl-6-methyl-1,4-dihydropyridine benzenesulfonate
Cas No.：11470-99-6

Structure：

Intermediate name：Ethyl-4(2-Phthalimido Ethoxy)Acetoacetate
Cas No.：88150-75-8

Structure：

Intermediate name：Phthaloyl amlodipine
Cas No.：88150-62-3

Structure：