... standard Amlodipine besylate is chemically described as 3-Ethy l-5-methyl (±)-2-[(2-aminoethoxy)methyl]-4-(2-chlorophenyl)-1 ... ,4-dihydro-6-methyl-3,5-pyridinedicarboxylate, monobenzenesulphonate. Its empirical formula is C20H25CIN2O5 • C6H6O3SAmlodipine ... Tablets are formulated as white tablets equivalent to 2.5, 5, and 10 mg of amlodipine for oral administration. In ...