Dicyclohexyl-3,4,3',4'-tetracarboxylic dianhydride122640-83-9100 % similar 3-Oxabicyclo[3.2.0]heptane-2,4-dione4462-96-871 % similar Rikacid mh19438-60-961 % similar cis-1,2-Cyclohexanedicarboxylic anhydride13149-00-358 % similar Rel-(3ar,6as)-tetrahydro-1H-cyclopenta[C]furan-1,3(3ah)-dione35878-28-558 % similar Hexahydrophthalic anhydride85-42-758 % similar Tetrahydro-1H-cyclopenta[1,2-C:3,4-C′]difuran-1,3,4,6(3ah)-tetrone6053-68-550 % similar 1,2,3,6-Tetrahydrophthalic anhydride85-43-844 % similar Tetrahydrophthalic anhydride935-79-544 % similar 1,2,3,4-Butanetetracarboxylic dianhydride4534-73-039 % similar Norcantharidin29745-04-838 % similar Norcantharidin5442-12-638 % similar Tetrahydrocyclobuta[1,2-C:3,4-C′]difuran-1,3,4,6-tetrone4415-87-638 % similar Carbic anhydride129-64-637 % similar Himic anhydride2746-19-237 % similar Nadic anhydride826-62-037 % similar Diglycidyl hexahydrophthalate5493-45-836 % similar 3A,4,5,7A-Tetrahydro-6-methyl-1,3-isobenzofurandione19438-64-336 % similar Isomethyltetrahydrophthalic anhydride3425-89-634 % similar Isobutyric anhydride97-72-333 % similar