5,6-二羟基-2-(4-羟基-3-甲氧基苯基)-7,8-二甲氧基苯并吡喃-4-酮

4'-demethylnobiletin

甲基碘

1-(2,5-dihydroxy-3,4,6-trimethoxyphenyl)ethanone

3,4-二甲氧基苯甲酸酐