2-butenoic acid, 4-[(phenylmethyl)amino]-, methyl ester InChI=1/C12H15NO2/c1-15-12(14)8-5-9-13-10-11-6-3-2-4-7-11/h2-8,13H,9-10H2,1H3/b8-5 methyl 4-(benzylamino)but-2-enoate