Ethyl 3-(1H-Imidazol-1-yl)-3-phenylacrylate is an intermediate for the synthesis of 5-Phenyl-3-isoxazolyl Sulfate Potassium (P335470), which is a metabolite of the insecticide Isoxathion (O,O-diethyl O-(5-phenyl-3-isoxazolyl)-phosphorothioate) in the rats.