4-hydroxy-3-(3-hydroxy-3-methylbutyl)-N-methylquinolin-2(1H)-one

1-methyl-3,3-bis(3-methylbut-2-enyl)quinoline-2,4-dione

2-(4-methoxy-2-oxo-1,2-dihydroquinolin-3-yl)acetic acid

methyl 2,4-methoxyquinoline-3-acetate