Synonyms: CIS-1,2,3,4-CYCLOPENTANETETRACARBOXYLIC DIANHYDRIDE;CIS-CIS-CIS-CIS-1,2,3,4-CYCLOPENTANETETRACARBOXYLIC DIANHYDRIDE;(3aα,3bα,6aα,7aα)-3b,6a,7,7a-Tetrahydro-1H-cyclopenta[1,2-c:3,4-c']difuran-1,3,4,6(3aH)-tetrone;3bα,6aα,7,7aα-Tetrahydro-1H-cyclopenta[1,2-c:3,4-c']difuran-1,3(3aαH),4,6-tetrone;cis,cis,cis,cis-1,2,3,4-Cyclopentanetetracarboxylic dianhydride,70%,tech.