3,5-Pyridinedicarboxylic acid, 1,4-dihydro-2,6-dimethyl-4-(2-nitrophenyl)- 1-(phenylmethyl)-, diethyl ester 72284-54-9 Diethyl 1-benzyl-2,6-dimethyl-4-(2-nitrophenyl)-1,4-dihydro-3,5-pyridinedicarboxylate