2942-58-7
氰基磷酸二乙酯
+
25594-31-4
4-oxidopyrazin-4-ium-2-carbonitrile
→
~64%
31722-48-2
pyrazine-2,5-dicarbonitrile
41110-27-4
2,5-吡嗪二羧胺
2-Pyrazinecarbonitrile, 4-oxide