英文别名5-[(1,3-dioxo-2-benzofuran-5-yl)sulfonyl]-2-benzofuran-1,3-dione; 4,4'-Sulfonyldiphthalic dianhydride; 5,5'-Sulfonylbis(isobenzofuran-1,3-dione); 3,3',4,4'-tetracarboxydiphenyl sulfone dianhydride; diphenylsulfone-3,3',4,4'-tetracarboxylic dianhydride; 4,4'-Sulfonyldiphthalic Anhydride; dianhydride of diphenylsulfonotetracarboxylic acid; 3,3',4,4'-diphenylsulfonetetracarboxylic acid dianhydride; 5,5'-Sulfonylbis-1,3-isobenzofurandione; 5,5'-sulfonylbis(2-benzofuran-1,3-dione); DSDA; diphenylsulfonetetracarboxylicdianhydride; 4,4'-Sulfonylbis(benzene-1,2-dicarboxylic acid)1,2:1',2'-dianhydride; 4,4'-Sulfonylbisphthalic 1,2:1',2'-dianhydride 
