4-(3-methyl-but-2-enyloxy)-benzaldehyde
2-(ethoxycarbonylmethoxy)-4-(3-methyl-2-butenyloxy)-acetophenone
4,4'-dihydroxy-2'-methoxycarbonylmethoxychalcone
4,4'-dihydroxy-2'-(methoxycarbonylmethoxy)dihydrochalcone
2'-carboxymethoxy-4-hydroxy-4'-(3-methyl-2-butenyloxy)dihydrochalcone
4-hydroxy-2'-methoxycarboxymethoxy-4'-(3-methyl-2-butenyloxy)dihydrochalcone
2'-carboxymethoxy-4,4'-bis(3-methyl-2-butenyloxy)dihydrochalcone