英文别名3-CARBAMOYL-4-METHYL-6-HYDROXY-N-ETHYL PYRIDONE; 3-CARBOMOYL-4-METHYL-6-HYDROXY-N-ETHYL PYRIDONE; 3-FORMYLAMIDO-4-METHYL-6-HYDROXY-N-ETHYL PYRIDINE-2-ONE; 1-ETHYL-6-HYDROXY-4-METHYL-2-OXO-1,2-DIHYDRO-PYRIDINE-3-CARBOXYLIC ACID AMIDE; 1-ethyl-1,2-dihydro-6-hydroxy-4-methyl-2-oxonicotinamide