| Synonym | Bis-(3-phthalyl anhydride) sulfone, 4,4'-Diphthalic anhydride sulfone, 3,3',4,4'-Diphenyl sulfone tetracarboxylic anhydride, 1,3-Isobenzofurandione, 5,5'-sulfonylbis-, 3,3',4,4'-DIPHENYLSULFONETETRACARBOXYLIC DIANHYDRIDE, 4,4'-SULFONYLDIPHTHALIC ANHYDRIDE, DSDA, 4,4'-Sulfonyldiphthalic dianhydride, diphenylsulfonetetracarboxylicdianhydride, 3,3,4,4''-DIPHENYLSULFONETETRACARBOXYLIC DIANHYDRIDE 96+%, 4,4'-Sulfonylbis(benzene-1,2-dicarboxylic acid)1,2:1',2'-dianhydride, 4,4'-Sulfonylbisphthalic 1,2:1',2'-dianhydride, 3,3',4,4'-DIPHENYLSULFONETETRACARBOXYLIC DIANHYDRIDE |
