英文同义词: | Methyl 1,4,5,6-tetrahydro-4,6-dioxopyridine-3-carboxylate;Methyl 4,6-dioxo-1,4,5,6-tetrahydropyridine-3-carboxylate;3-Pyridinecarboxylic acid, 1,4,5,6-tetrahydro-4,6-dioxo-, methyl ester;Methyl 4-hydroxy-6-oxo-5,6-dihydropyridine-3-carboxylate |