英文别名4-methyl-3,6-dihydro-2H-pyran-2,6-dione; 2H-Pyran-2,6(3H)-dione, 4-methyl-; 3-Methylpent-2-ene-1,5-dioic acid anhydride; 4-methyl-3H-pyran-2,6-dione; 5,6-dihydro-4-methyl-2H-pyran-2,6-dione; 3-Methyl-pentendisaeure-anhydrid; 3-methylglutaconic anhydride; 3-methyl-pentenedioic acid anhydride 
