60-34-4
甲基肼
+
179232-29-2
2-氟-4-溴苯甲酸甲酯
→
~70%
1226985-36-9
6-Bromo-1-methyl-1,2-dihydro-3H-indazol-3-one
112704-79-7
4-溴-2-氟苯甲酸