Synonyms: 3-quinolinecarboxylic acid, 7,8-dichloro-1,4-dihydro-4-oxo-, ethyl ester;3-quinolinecarboxylic acid, 7,8-dichloro-4-hydroxy-, ethyl ester;Ethyl 7,8-dichloro-4-hydroxyquinoline-3-carboxylate;Ethyl 7,8-dichloro-4-oxo-1,4-dihydroquinoline-3-carboxylate