2-hydroxypyridine-3-carbonitrile, 3-Cyanopyridin-2(1H)-one, 3-Cyano-2-hydroxypyridine, 3-Cyano-2(1H)-pyridinone, 3-Cyano-2-pyridone; 3-Cyano-1H-pyridin-2-one; 2-HYDROXY-3-PYRIDINECARBONITRILE; 2-hydroxy-nicotinonitrile; 1,2-Dihydro-2-oxopyridine-3-carbonitrile; 2-Hydroxy-3-cyanopyridin; 2-Hydroxy-3-cyanopyridine; 1,2-Dihydropyridine-2-oxo-3-carbonitrile; 3-Cyano-2-pyridinol;