(2E)-1-(2-hydroxyphenyl)-3-phenylprop-2-en-1-one 2-propen-1-one, 1-(2-hydroxyphenyl)-3-phenyl-, (2E)- InChI=1/C15H12O2/c16-14-9-5-4-8-13(14)15(17)11-10-12-6-2-1-3-7-12/h1-11,16H/b11-10