2-(3-hydroxy-5-methoxyphenyl)-1-benzofuran-4-ol 4-benzofuranol, 2-(3-hydroxy-5-methoxyphenyl)- InChI=1/C15H12O4/c1-18-11-6-9(5-10(16)7-11)15-8-12-13(17)3-2-4-14(12)19-15/h2-8,16-17H,1H