Lercanidipine

2,6-Dimethyl-4-(3-nitro-phenyl)-1,4-dihydro-pyridine-3,5-dicarboxylic acid 3-[2-[(3,3-diphenyl-propyl)-methyl-amino]-1,
1-dimethyl-ethyl] ester 5-methyl ester; 3-{1-[(3,3-diphenylpropyl)(methyl)amino]-2-methylpropan-2-yl} 5-methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate;