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

2,4-二羟基苯乙酮

2,4-二甲氧基苯乙酸

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

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