2-Cyano-3-(4-fluorophenyl)propenoic acid ethyl ester, ethyl 2-cyano-3-(4-fluoro)phenyl-2-propenoate, 4-Fluorobenzylidenecyanoacetic acid ethyl ester, ethyl 2-cyano-3-(4-fluorophenyl)prop-2-enecarboxylate, 2-cyano-3-(4-fluorophenyl)-acrylic acid ethyl ester, ethyl 2-cyano-3-(4-fluorophenyl)acrylate, ethyl 4-fluorobenzalcyanoacetate