1621-91-6
吡唑-3-甲酸
→
~89%
17635-44-8
3,4,5-三溴吡唑
+
13745-17-0
4-溴吡唑-3-甲酸
130874-34-9
4-bromo-1-phenylsulphonylpyrazole-5-carboxylic acid
~59%
13808-64-5
4-溴-3-甲基吡唑
~12%