英文别名2H-1-Benzopyran-2-one, 5-hydroxy-4,7-dimethyl-; 5-Hydroxy-4,7-dimethyl-2H-1-benzopyran-2-one; 5-hydroxy-4,7-dimethylchromen-2-one; 4,7-dimethyl-5-hydroxy-2H-1-benzopyran-2-one; Coumarin,4,7-dimethyl-5-hydroxy; 4,7-dimethyl-5-hydroxycoumarin; 5-hydroxy-4,7-dimethylcoumarin; 2H-1-Benzopyran-2-one,4,7-dimethyl-5-hydroxy 
