1,4-Dihydro-4-(1,3-benzodioxol-5-yl)-N,N',2,6-tetramethyl-3,5-pyridinedicarboxamide 161771-89-7 3,5-Pyridinedicarboxamide, 1,4-dihydro-4-(1,3-benzodioxol-5-yl)-N,N',2,6-tetramethyl-