Synonyms: 4-Hydroxy-8-methylquinoline-3-carboxylic ethyl ester;ethyl 8-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylate;3-quinolinecarboxylic acid, 4-hydroxy-8-methyl-, ethyl ester;3-quinolinecarboxylic acid, 1,4-dihydro-8-methyl-4-oxo-, ethyl ester;Ethyl 8-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylate;4-Hydroxy-8-methylquinoline-3-carboxylic acid ethyl ester;ethyl 4-hydroxy-8-methyl-3-quinolinecarboxylate;