5-Chloro-4-hydroxy-1-methyl-2-oxo-n-phenyl-1,2-dihydroquinoline-3-carboxamide, the salts and their uses. The present invention provides 5-chloro-4-hydroxy-1-methyl-2-oxo-n-phenyl-1,2-dihydroquinoline-3-carboxamide, its salts and uses.5-cloro-4-hidroxi-1-metil-2-oxo-n-fenil-1,2-di-hidroquinolina-3-carboxamida, os sais e suas utilizações. a presente invenção proporciona 5-cloro-4-hidroxi-1-metil-2-oxo-n-fenil-1,2 - di-hidroquinolina-3-carboxamida, seus sais e seus usos.