对羟基肉桂酸

4-(4-hydroxy-phenyl)-2,4-dioxo-butyric acid methyl ester

1-[5-(4-hydroxy-phenyl)-isoxazol-3-yl]-ethanone

5-(4-羟基苯基)-3-异噁唑羧酸甲酯

1-[5-(4-acetoxy-phenyl)-isoxazol-3-yl]-ethanone