1,3-Cyclopentadiene, compd. with 2,5-furandione (1:1) 2-Norbornene-5,6-dicarboxylic anhydride 3,6-Endomethylenephthalic anhydride, 1,2,3,6-tetrahydro- 3,6-Endomethylenetetrahydrophthalic anhydride 3,6-Methylene-1,2,3,6-tetrahydrophthalic anhydride 4,7-Methanoisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro- 5-Norbornene-2,3-dicarboxylic acid anhydride 5-Norbornene-2,3-dicarboxylic anhydride 826-62-0 Anhydrid kyseliny 3,6-endomethylen-.delta.(sup 4)-tetrahydroftalove Bicyclo[2.2.1]-hept-5-ene-2,3-dicarboxylic anhydride Cyclopentadiene-maleic anhydride adduct Endomethylenetetrahydrophthalic anhydride Methylenetetrahydrophthalic anhydride NSC3999 Norbornenedicarboxylic acid anhydride WLN: T556/FJ 2AE J BVOV IUTJ cis-3,6-Endomethylene-1,2,3,6-tetrahydropthalic anhydride