InChI=1/C12H12O3/c1-9(13)11(12(14)15-2)8-10-6-4-3-5-7-10/h3-8H,1-2H3/b11-8 butanoic acid, 3-oxo-2-(phenylmethylene)-, methyl ester, (2E)- methyl (2E)-2-benzylidene-3-oxobutanoate