4,5-二氟苯二甲酸酐;4,5-二氟苯酐;

4,5-Difluorophthalic anhydride;4,5-Difluor-phthalsaeureanhydrid;1,3-isobenzofurandione,5,6-difluoro;4,5-difluoro-phthalic acid anhydride;5,6-Difluoroisobenzofuran-1,3-dione;