1,3,7,9-tetramethoxy-4,6-dimethyldibenzofuran

1-(1,3,7,9-tetramethoxy-4,6-dimethyldibenzofuran-2-yl)-3-methylbutan-1-one

1,1'-(1,3,7,9-tetrahydroxy-4,6-dimethyldibenzofuran-2,8-diyl)-2,3'-dimethylbutan-1-one

1,3,7,9-tetramethoxy-6-methyldibenzo[b,d]furan-4-carbaldehyde