for the following products
3,4-Dihydro-7-hydroxy-2(1H)-quinolinone | 3,4-Dihydro-7-hydroxycarbostyril | 3,4-Dihydro-7-hydroxyquinoline-2(1H)-one | 7-Hydroxy-1,2,3,4-tetrahydroquinolin-2-one | 7-Hydroxy-3,4-dihydro-2(1H)quinolinone | 7-Hydroxy-3,4-dihydrocarbostyril | 7-Hydroxycarbostyril and 7-Hydroxy-3,4-dihydro-1H-quinolin-2-one
