67-56-1
甲醇
+
160775-50-8
→
~63%
160775-51-9
5-bromo-2,2-dimethoxyindene-1,3-dione
387878-16-2
74-88-4
甲基碘
~22%
86-90-8
4-溴邻苯二甲酸酐
27611-39-8
5-溴-1,3-茚满二酮