922525-03-9
2-(4-methoxyphenyl)-1-oxidopyrazin-1-ium
→
~87%
850221-79-3
2-氯-6-(4-甲氧苯基)吡嗪
4774-14-5
2,6-二氯吡嗪
+
5720-07-0
4-甲氧基苯硼酸
~67%