Synonyms: 7-Hydroxy-3,4-dihydroquinolin-2(1H)-one, 2(1H)-Quinolinone, 3,4-dihydro-7-hydroxy-, Carbostyril, 3,4-dihydro-7-hydroxy- (7CI,8CI), Hydrocarbostyril, 7-hydroxy- (6CI), 3,4-Dihydro-7-hydroxy-2(1H)-quinolinone, 7-Hydroxy-1,2,3,4-tetrahydro-2-quinolinone, 7-Hydroxy-3,4-dihydro-1H-quinolin-2-one, 7-Hydroxy-3,4-dihydro-2(1H)-quinolinone, 7-Hydroxy-3,4-dihydrocarbostyril, Aripiprazole Impurity A
