3-hydroxy-2-(2-hydroxyphenyl)-4H-chromen-4-one 4H-1-benzopyran-4-one, 3-hydroxy-2-(2-hydroxyphenyl)- InChI=1/C15H10O4/c16-11-7-3-1-5-9(11)15-14(18)13(17)10-6-2-4-8-12(10)19-15/h1-8,16,18