Synonyms: 3-Pyridinecarbonitrile, 1,2-dihydro-6-hydroxy-1,4-dimethyl-2-oxo-, sodium salt (1:1);3-Pyridinecarbonitrile, 1,2-dihydro-6-hydroxy-1,4-dimethyl-2-oxo-, sodium salt;Sodium 5-cyano-1,2-dihydro-1,4-dimethyl-6-oxopyridine-2-yl oxido;sodium 3-cyano-1,4-dimethyl-6-oxo-1,6-dihydropyridin-2-olate