2-chloro-5-pyridin-2-ylpyridine

3-(1H-pyrrol-2-yl)prop-2-enal

1-N,1-N,1-N',1-N',3-N,3-N-hexamethylprop-2-ene-1,1,3-triamine

丙二醛

ethyl 2-cyano-5-(dimethylamino)penta-2,4-dienoate