Synonyms: Bicyclo[2.2.2]octane-2,3,5,6-tetracarboxylic2,3:5,6-dianhydride (7CI,8CI); 1,2,4,5-Cyclohexanetetracarboxylic1,2:4,5-dianhydride, 3,6-endo-(1,2-ethanediyl)-;Bicyclo[2.2.2]octane-2,3:5,6-tetracarboxylic anhydride;Bicyclo[2.2.2]octane-2,3:5,6-tetracarboxylic dianhydride;Bicyclooctanetetracarboxylic dianhydride