2-吡啶甲酰胺

1-(4-pyridin-2-ylphenyl)ethanone

2,2-dimethyl-3-pyridin-2-yl-1,4-benzodioxin-3-ol

吡啶-2-甲酸酐

N-甲基-n-(2-吡啶羰基)甘氨酸