2-甲基-2-丙基2-吡啶基碳酸酯

1-benzyl-5-phenylmethoxypyridin-2-one

1-benzylpiperidine-2,5-dione

乙基(2-吡啶基氧基)乙酸酯

(2-oxo-2H-pyridin-1-yl)-acetic acid ethyl ester