1,3,6,8-tetramethoxyanthracene-9,10-dione

4,6-二溴-1,3-苯二甲醚

3,5-二甲氧基苯甲醛

2-hydroxy-3,5-dimethoxybenzaldehyde

3-hydroxy-5,7-dimethoxy-3H-2-benzofuran-1-one