(4E)-1,7-diphenyl-3-keto-5-hydroxy-hept-4-en 1,7-diphenyl-hepta-3,5-dione InChI=1/C19H20O2/c20-18(13-11-16-7-3-1-4-8-16)15-19(21)14-12-17-9-5-2-6-10-17/h1-10,15,20H,11-14H2/b18-15