3-pyridin-2-ylprop-2-enoic acid

2-(4,5-dimethoxy-2-nitrophenyl)-3-pyridin-2-ylprop-2-enenitrile

吡啶-2-羰基叠氮化物

diethyl 2-pyridin-2-ylpropanedioate

1-pyridin-2-yl-N-[3-(pyridin-2-ylmethylideneamino)propyl]methanimine