9-methyl-2,3-dihydropyrano[2,3-g][1,4]benzodioxin-7-one

异苯并吡喃并[3,4-g][1,4]苯并二氧杂环己-5-酮

2,3-Dihydrospiro[furo[2,3-g][1,4]benzodioxine-8,3'-indol]-2'(1'H) -one

6-hydroxy-2,3-dihydro-1,4-benzodioxine-7-carbaldehyde

7-甲氧基-2,3-二氢-苯并[1,4]二噁英-6-甲醛