4-hydroxy-1,2-dihydro-2-oxo-3-quinolinecarboxylic acid ethyl ester;
3-Quinolinecarboxylic acid, 1,2-dihydro-4-hydroxy-2-oxo-, ethyl ester;
ethyl 2,4-dihydroxyquinoline-3-carboxylate;
4-hydroxyquinolin-2(1H)-one-3-carboxylic acid ethyl ester;
ethyl ester of 1H-2-oxo-4-hydroxyquinoline-3-carboxylic acid;
ethyl 4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylate;
3-Quinolinecarboxylic acid,1,2-dihydro-4-hydroxy-2-oxo-,ethyl ester;
Ethyl 1,2-dihydro-4-hydroxy-2-oxo-3-quinolinecarboxylate;
3-Carbethoxy-4-hydroxy-2-quinolone;
4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylic acid ethyl ester;
ethyl 1,2-dihydro-4-hydroxy-2-oxoquinoline-3-carboxylate;
ethyl ester of 4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxylic acid;
Ethyl 4-hydroxy-2-oxo-1,2-dihydro-3-quinolinecarboxylate;
1,2-Dihydro-4-hydroxy-2-oxo-3-quinolinecarboxylic acid ethyl ester;