2-chloro-N,N'-diethylisonicotinimidamide

3-(4-氰基吡啶-2-硫代)苯甲酸

1-(2-methoxypyridin-4-yl)propan-1-one

2-氯-4-氰基-3-碘吡啶

3-碘-2-甲氧基异烟腈