77-78-1
硫酸二甲酯
+
17285-36-8
5,6-二氯吡嗪-3(2H)-酮
→
~72%
6794-35-0
5,6-dichloro-2-methylpyridazin-3-one
74-88-4
甲基碘
~67%
186581-53-3
重氮甲烷
~50%
112342-59-3
3,4-dichloro-6-methoxypyridazine