Synonyms: 2,5-Furandione,dihydro-3,4-dimethyl-, trans-(?à)-; (?à)-trans-2,3-Dimethylsuccinicanhydride; 2,5-Furandione, dihydro-3,4-dimethyl-, trans-;dl-trans-2,3-Dimethylsuccinic anhydride; threo-2,3-Dimethylsuccinic anhydride;trans-2,3-Dimethylsuccinic anhydride