1-(2,4-dihydroxyphenyl)-2-(4-hydroxyphenyl)ethanone InChI=1/C14H12O4/c15-10-3-1-9(2-4-10)7-13(17)12-6-5-11(16)8-14(12)18/h1-6,8,15-16,18H,7H ethanone, 1-(2,4-dihydroxyphenyl)-2-(4-hydroxyphenyl)-