2-(3-hydroxy-5-methoxy-2-methylphenyl)-1-benzofuran-4-ol 4-benzofuranol, 2-(3-hydroxy-5-methoxy-2-methylphenyl)- InChI=1/C16H14O4/c1-9-11(6-10(19-2)7-14(9)18)16-8-12-13(17)4-3-5-15(12)20-16/h3-8,17-18H,1-2H