Synonyms: Carbostyril,3,4-dihydro-6-hydroxy- (7CI);Hydrocarbostyril, 6-hydroxy- (6CI);2-Oxo-1,2,3,4-tetrahydroquinolin-6-ol;3,4-Dihydro-6-hydroxy-2(1H)-quinolinone;3,4-Dihydro-6-hydroxycarbostyril;6-Hydroxy-1,2,3,4-tetrahydro-2-quinolinone;6-Hydroxy-2-oxo-1,2,3,4-tetrahydroquinoline;6-Hydroxy-3,4-dihydro-1H-quinolin-2-one;6-Hydroxy-3,4-dihydro-2(1H)-quinolinone;6-Hydroxy-3,4-dihydrocarbostyril;