英文别名4,7-dimethyl-2-benzofuran-1,3-dione; 4,7-Dimethylisobenzofuran-1,3-dione; 1,3-Isobenzofurandione,4,7-dimethyl-; 4,7-Dimethyl-1,3-isobenzofurandione; 4,7-Dimethylbenzo[c]furan-1,3-dione; 4,7-dimethyl-1,3-dihydro-2-benzofuran-1,3-dione; Phthalic anhydride,6-dimethyl; 4,7-dimethyl-isobenzofuran-1,3-dione; Phthalic anhydride,3,6-dimethyl; 3,6-Dimethylphthalsaeureanhydrid; 3,6-dimethyl-phthalic acid anhydride; 2,5-dimethylphthalic anhydride 
