槲皮素

甲基碘

重氮甲烷

2-(2,2-diphenylbenzo[d][1,3]dioxol-5-yl)-5-hydroxy-3,7-dimethoxy-4H-chromen-4-one

2-(3,4-bis-benzyloxy-phenyl)-5-hydroxy-3,7-dimethoxy-chromen-4-one