N,N,N,N-四-(2-吡啶基甲基)乙二胺

4-(吡啶-2-基)-1H-吡唑-3-羧酸

2-(吡啶-2-基)噻唑-4-羧酸乙酯

2-(1H-咪唑-4-基)吡啶

1-pyridin-2-yl-N-(2-pyridin-2-ylethyl)methanimine