1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinecarboxamide 1-Ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxonicotinamide 29097-12-9 3-Pyridinecarboxamide, 1-ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxo- EINECS 249-433-9