英文别名
7,8-Dihydro-2,7,7-trimethyl-4H-1-benzopyran-4,5(6H)-dion;2,7,7-trimethyl-7,8-dihydro-6H-chromene-4,5-dione;2,7,7-trimethyl-7,8-dihydro-(4H)-1-benzopyran-4,5(6H)-dione;2,7,7-Trimethyl-7,8-dihydro-6H-chromene-4,5-dione;2,7,7-trimethyl-6,8-dihydrochromene-4,5-dione