- 4,4′-Sulfonylbisphthalic 1,2:1′,2′-dianhydride
- 4,4′-スルホニル二フタル酸無水物
- 4,4′-Sulfonyldiphthalic anhydride
- 3,3′,4,4′-ジフェニルスルホンテトラカルボン酸二無水物
- 3,3′,4,4′-Diphenylsulfone tetracarboxylic dianhydride
- 4,4′-Sulfonylbis(benzene-1,2-dicarboxylic acid)1,2:1′,2′-dianhydride
- 4,4′-Sulfonylbisphthalic acid-1,2:1′,2′-dianhydride
- SO2DPA
- 4,4′-Sulfonylbis(phthalic acid)1,2:1′,2′-dianhydride
- 5,5′-Sulfonylbis[isobenzofuran-1,3-dione]
- 5,5′-Sulfonylbis[1,3-isobenzofurandione]
- 5,5′-Sulfonylbis(1,3-dihydro-1,3-dioxoisobenzofuran)
- 5,5′-Sulfonylbis(1,3-isobenzofurandione)
- 5,5′-Sulfonylbis(1,3-dioxoisobenzofuran)
- DSDA
- 5,5′-Sulfonylbis(1,3-dihydroisobenzofuran-1,3-dione)
- 5,5′-(Sulfonyl)bis(isobenzofuran-1,3-dione)
- Bis(1,3-dihydro-1,3-dioxoisobenzofuran-5-yl) sulfone
- 4,4′-(Sulfonyl)bisphthalic acid 1,2:1′,2′-bisanhydride
- 3,3′,4,4′-ジフェニルスルホンテトラカルボン酸ジアンヒドリド
- 3,3′,4,4′-Diphenylsulfonetetracarboxylic dianhydride