3,4,5,6-四氟邻苯二甲酸

6-trifluoromethyl-2,3,4,5-tetrafluorobenzoic acid

2,3,4,5,6-五氟苯甲酸

四氟邻苯二甲酸酐

3,3-dibromo-4,5,6,7-tetrafluorophthalide