2,6(1H,3H)-Pyridinedione, 3-((1,2-dihydro-6-hydroxy-5-methyl-2-oxo-3-pyridinyl)imino)-5-methyl- 21283-85-2 5-(6-Hydroxy-3-methylpyrid-2-on-5-yl)imino-3-methyl-2,6-pyridinedione Amylocyanine