(E)-4-hydroxy-3-(3-methylbut-1-en-1-yl)quinolin-2(1H)-one

4-hydroxyquinolin-2(1H)-one

4-Hydroxy-2,2-dimethyl-3,4,5,6-tetrahydro-2H-pyrano(3,2-c)quinolin-5-one

3-Quinolineacetic acid, 1,2-dihydro-4-hydroxy-2-oxo-

3-iodo-3,4,5,6-tetrahydro-5-oxo-2,2-dimethyl-2H-pyrano[3.2-c]quinoline