109-89-7
二乙胺
+
72126-54-6
5-chloro-6-methylpyrazine-2,3-dicarbonitrile
→
~96%
88548-89-4
5-(diethylamino)-6-methylpyrazine-2,3-dicarbonitrile
28321-79-1
乙二亚胺酰二氰
4231-35-0
1-(二乙氨基)丙炔
~62%