1-(2,4-dihydroxy-3,6-dimethoxyphenyl)ethanone

4',5,7,8-四甲氧基黄酮

7-hydroxy-5,8-dimethoxy-3-phenylchromen-4-one

5,8-dimethoxy-2,2-dimethyl-3,4-dihydrochromen-7-ol

3,4,6,7-tetrahydro-5,10-dimethoxy-2,2,8,8-tetramethyl-2H,8H-benzo<1,2-b:5,4-b'>dipyran