144883-73-8 3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-nonyl-, diethyl ester 4-Nonyl-3,5-diethoxycarbonyl-1,4-dihydro-2,6-dimethylpyridine 4-Nonyl-ddc Diethyl 1,4-dihydro-2,6-dimethyl-4-nonyl-3,5-pyridinedicarboxylate