1-(4-methoxyphenyl)-5-phenylpenta-2,4-dien-1-one 2,4-pentadien-1-one, 1-(4-methoxyphenyl)-5-phenyl- InChI=1/C18H16O2/c1-20-17-13-11-16(12-14-17)18(19)10-6-5-9-15-7-3-2-4-8-15/h2-14H,1H3/b9-5+,10-6