2-(3,4-dihydroxyphenyl)-7-hydroxy-5-methoxychromen-4-one

2-(3,4-dihydroxyphenyl)-5,7-dimethoxychromen-4-one

氢碘酸

2-(3,4-二甲氧基-苯基)-7-羟基-5-甲氧基-色烯-4-酮

2-(1,3-benzodioxol-5-yl)-5,7-dimethoxychromen-4-one