2,6-二甲氧基苯甲醛

氯仿

间苯二酚

5-hydroxy-2,2-dimethyl-1,3-benzodioxin-4-one

5-((tert-butyldimethylsilyl)oxy)-2,2-dimethyl-4H-benzo[d][1,3]dioxin-4-one