1,2-dimethyl-3-phenylmethoxypyridin-4-one

6-(2-methyl-4-oxo-3-phenylmethoxypyridin-1-yl)hexanoic acid

3-甲氧基-2-甲基-4H-吡喃-4-酮

3-hydroxy-2-methyl-1-phenylpyridin-4-one