Synonyms: 4-Cyclohexene-1,2-dicarboxylicanhydride, 4-methyl- (6CI,7CI,8CI);1,2,3,6-Tetrahydro-4-methylphthalic anhydride;4-Methyl-1,2,3,6-tetrahydrophthalic anhydride;4-Methyl-4-cyclohexene-1,2-dicarboxylic acid anhydride;4-Methyl-4-cyclohexene-1,2-dicarboxylic anhydride;4-Methyl-D4-tetrahydrophthalic anhydride;4-Methyltetrahydrophthalic anhydride;5-Methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione;5-Methyltetrahydrophthalic anhydride;Isomethyltetrahydrophthalic anhydride;Lindride 2;NSC 52669;