重氮甲烷

槲皮素

5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-3,7-bis(methoxymethoxy)-4H-chromen-4-one

二氢柽柳黄素

3,7-bisbenzyloxy-2-(3-hydroxy-4-methoxyphenyl)-5-hydroxychromen-4-one