1-phenyl-2-pyridin-3-ylethane-1,2-dione

4-甲氧基苯基(3-吡啶基)甲酮

5-pyridin-3-ylpent-4-en-2-ol

2-hydroxy-2-methyl-1-pyridin-3-ylpropan-1-one

4-pyridin-3-ylbut-3-en-2-one