1,4-Dihydro 2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid 2,2-dimethyl-3-(4-(2-propenyl)-1-piperazinyl)propyl methyl ester 117241-46-0 3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(3-nitrophenyl)-, 2,2-dimethyl-3-(4-(2-propenyl)-1-piperazinyl)propyl methyl ester, dihydrochloride Nky 722 Nky-722