英文同义词: | 3,4-Dihydro-2,2-dimethyl-2H-chromene, 3,4-Dihydro-2,2-dimethyl-2H-1-benzopyran;2H-1-BENZOPYRAN,3,4-DIHYDRO-2,2-DIMETHYL;2,2-DIMETHYLCHROMANE;2,2-Dimethylchroman;Chroman, 2,2-dimethyl-;3,4-Dihydro-2,2-dimethyl-2H-1-benzopyran;2,2-dimethyl-3,4-dihydrochromene |