1-(2,4-二羟基苯基)-2-(2,4-二甲氧基苯基)乙酮

7-acetoxy-3-(2,4-dimethoxy-phenyl)-2-methyl-chromen-4-one

3-(2,4-dimethoxy-phenyl)-7-hydroxy-2-methyl-chromen-4-one

硫酸二甲酯