5-carbamyl-[3,4'-bipyridin]-6(1H)-one, 5-(pyridin-4-yl)-3-carbamoyl-pyridine-2(1H)-one, 1,2-Dihydro-2-oxo-5-(4-pyridinyl)-nicotinamide, 5-(Pyrid-4-yl)-1,2-dihydro-pyrid-2-on-3-carbonsaeureamid, EINECS 263-714-3, 1,6-Dihydro-6-oxo(3,4'-bipyridine)-5-carboxamide, 6-oxo-1,6-dihydro-[3,4']bipyridinyl-5-carboxylic acid amide, 3-carbamyl-5-(4-pyridinyl)-2(1H)-pyridinone