267876-32-4

ethyl 2,3-dihydroxy-6-methylisonicotinate Ethyl 3-hydroxy-6-methyl-2-oxo-1,2-dihydropyridine-4-carboxylate 3-Hydroxy-6-methyl-2-oxo-1,2-dihydro-pyridine-4-carboxylic acid ethyl ester 4-Pyridinecarboxylic acid, 1,2-dihydro-3-hydroxy-6-methyl-2-oxo-, ethyl ester