1,2-Dihydro-4-hydroxy-2-oxo-1-phenyl-N-(4-pyridinylmethyl)-1,8-naphthyridine-3-carboxamide 1,8-Naphthyridine-3-carboxamide, 1,2-dihydro-4-hydroxy-2-oxo-1-phenyl-N-(4-pyridinylmethyl)- 138305-14-3 4-Hydroxy-2-oxo-1-phenyl-N-(4-pyridylmethyl)-1H-1,8-naphthyridine-3-carboxamide