2-乙酰氨基-3-(3,4-二羟基苯基)-丙烯酸

trans-β-(3,4-Dibenzyloxyphenoxy)acrylic Acid

4-[(diphenylphosphinoyl)methyl]benzene-1,2-diol

3-hydroxy-4-(4-methoxybenzyloxy)benzaldehyde