3-[4-(苄氧基)苯基]丙醛

4-(2-benzyloxy-3,4-dimethoxyphenyl)-1-bromobutane

methyl 4-(2-benzyloxy-3,4-dimethoxyphenyl)butanoate

methyl 3-(2-hydroxy-3,4-dimethoxybenzoyl)propionate

4-(2-hydroxy-3,4-dimethoxyphenyl)butanoic acid