重氮甲烷

乙基(3,5-二甲氧基苯基)乙酸酯

4-[(3,5-dimethoxyphenyl)methylidene]-2-phenyl-1,3-oxazol-5-one

3,5-二羟基苯基乙酸甲酯

(3,5-dimethoxyphenyl)pyruvic acid