1,4-Dihydro-4-(2-nitrophenyl)-1,2,6-trimethyl-3,5-pyridinedicarboxylic acid diethyl ester 3,5-Pyridinedicarboxylic acid, 1,4-dihydro-4-(2-nitrophenyl)-1,2,6-trimethyl-, diethyl ester 30131-50-1 BRN 0500252