4-hydroxy-2'-methoxycarboxymethoxy-4'-(3-methyl-2-butenyloxy)dihydrochalcone

4,4'-dihydroxy-2'-methoxycarbonylmethoxychalcone

4,4'-dihydroxy-2'-(methoxycarbonylmethoxy)dihydrochalcone

2-ethoxycarbonylmethoxy-4-hydroxyacetophenone

2-(2-acetyl-5-(benzyloxy)phenoxy)acetic acid ethyl ester