ethyl 3-ethoxy-2-(2,4,5-trifluoro-3-methoxybenzoyl)acrylate

(Z)-3-Diethylamino-2-(2,4,5-trifluoro-3-methoxy-benzoyl)-acrylic acid ethyl ester

ethyl α(E)-[(diethylamino)methylene]-2,4,5-trifluoro-3-methoxy-β-oxo-benzenepropanoate