2,4-二甲氧基苯乙酸

4-(bromomethyl)-3-(2,4-dimethoxyphenyl)-7-methoxychromen-2-one

3-(2,4-dihydroxyphenyl)-7-hydroxy-4-methylchromen-2-one

[3-(2,4-dimethoxyphenyl)-4-methyl-2-oxochromen-7-yl] acetate

[3-(2,4-diacetyloxyphenyl)-4-methyl-2-oxochromen-7-yl] acetate