Synonyms: Propyl 1,1,N-Trimethyl-N-(3,3-diphenylpropyl)-2-aminoethyl 1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate, 1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic Acid 2-[(3,3-Diphenylpropyl)methylamino]-1,1-dimethylethyl Propyl Ester, Lercanidipine Impurity C