2-羟基吡啶

2-(苄氧基)吡啶

1-((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)oxy)pyridin-2(1H)-one

2-ethoxy-1-oxidopyridin-1-ium

1-phenylmethoxypyridin-2-one