甲基3-(3,4-二羟基苯基)丙酸酯

3,4-dipropoxybenzaldehyde

3,4-bis[2-(2-hydroxyethoxy)ethoxy]benzaldehyde

3-甲氧基-4-[(2-硝基苄基)氧基]苯甲醛

3,4-双(乙氧基甲氧基)苯甲醛