英文别名(3aS,7aR)-5-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione; (3aRS,7aSR)-5-methyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione; cis-4-methyl-1,2,3,4-tetrahydrophthalic anhydride; Maleic anhydride and isoprene adduct; cis-4-methyl-1,2,3,6-tetrahydrophtalic anhydride; 4-methyl-cis-1,2,3,6-tetrahydrophthalic anhydride; (+-)-4-Methyl-cyclohex-4-en-1r,2c-dicarbonsaeure-anhydrid; (+-)-4-methyl-cyclohex-4-ene-1r,2c-dicarboxylic acid-anhydride; 3a,5,7a-trimethyl-3a,4,7,7a-tetrahydro-isobenzofuran-1,3-dione; 1,3-Isobenzofurandione,3a,4,7,7a-tetrahydro-5-methyl-,(3aR,7aS)-rel; cis-1,2,3,6-Tetrahydro-4-methylphthalsureanhydrid; rel-3aα*,4,7,7aα*-Tetrahydro-5-methyl-1,3-isobenzofurandione; (3aR,7aS)-5-methyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione; 1,3-Isobenzofurandione, 3a,4,7,7a-tetrahydro-5-methyl-, (3aR,7aS)-rel- 
