(E)-1-fluoro-2-(3,4-dimethoxyphenyl)-3-phthalimidopropene

3,4-二甲氧基苯乙酸

tert-butyl 3,4-dimethoxyphenylacetate

ethyl (E)-2-(3',4'-dimethoxy)phenyl-3-fluoroacrylate

ethyl 2-(tert-butoxycarbonyl)-2-(3,4-dimethoxyphenyl)acetate