Synonyms: 1,2-Cyclohexanedicarboxylicanhydride, cis- (8CI);1,3-Isobenzofurandione, hexahydro-, cis-;cis-1,2-Cyclohexanedicarboxylic anhydride;cis-Cyclohexane-1,2-dicarboxylicacid anhydride;cis-Hexahydrophthalic anhydride;rel-(3aR,7aS)-Hexahydroisobenzofuran-1,3-dione;