4-(3,4-二羟基苯基)-2-丁酮

3-hydroxy-4-propoxybenzaldehyde

3-(3,4-dihydroxyphenyl)-2-methoxyprop-2-enoic acid

3,4-二(四氢吡喃-2-氧基)苯甲醛

2',3,4-三羟基查耳酮