1-(3-oxocyclohexen-1-yl)pyridin-2-one

1-(2-hydroxy-2-phenylethyl)pyridin-2-one

1-(4-甲氧基苯基)吡啶-2(1H)-酮

1-乙烯基-2(1H)-吡啶酮

2-oxopyridine-1-carbaldehyde