4-pentenoic acid, 3-hydroxy-5-phenyl-, methyl ester InChI=1/C12H14O3/c1-15-12(14)9-11(13)8-7-10-5-3-2-4-6-10/h2-8,11,13H,9H2,1H3/b8-7 methyl 3-hydroxy-5-phenylpent-4-enoate