15456-86-7
4-溴-3-羟基-6-吡嗪酮
→
~42%
10344-42-0
4-Bromo-3,6-dichloropyridazine
6082-66-2
3,4,6-三氯哒嗪
+
1003944-29-3
6-bromo-3,4-dichloropyridazine