84547-84-2
4-溴-2-甲基-2H-吡唑-3-羧酸
+
74497-02-2
1-aminobenzene
→
~85%
93702-99-9
4-anilino-2-methylpyrazole-3-carboxylic acid
75092-30-7
4-碘-1-甲基吡唑-5-羧酸