2-propen-1-one, 3-hydroxy-1,3-diphenyl- 3-hydroxy-1,3-diphenylprop-2-en-1-one InChI=1/C15H12O2/c16-14(12-7-3-1-4-8-12)11-15(17)13-9-5-2-6-10-13/h1-11,16H/b14-11