1-(2,4-dihydroxyphenyl)-2-(4-hydroxy-3-methoxyphenyl)ethanone

4',7-dihydroxy-3'-methoxyflavanone

N,N-二甲基甲酰胺

4-苄氧基-3-甲氧基苯乙酸

methyl 4-benzyloxy-3-methoxyphenylethanoate