50681-25-9
4-哒嗪羧酸
+
6638-79-5
二甲羟胺盐酸盐
→
~95%
823189-69-1
N-methoxy-N-methylpyridazine-4-carboxamide
50901-46-7
1-(吡嗪-4-基)乙酮