Synonyms: Npk 1868;AC1L2O8Q;Npk-1868;3,5-Pyridinedicarboxylic acid, 2-(((aminocarbonyl)oxy)methyl)-4-(2,3-dichlorophenyl)-1,4-dihydro-6-methyl-, dimethyl ester;dimethyl 2-(carbamoyloxymethyl)-4-(2,3-dichlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate