Showing structure for 2-(4-hydroxy-3-methoxyphenyl)-n-[2-(4-hydroxyphenyl)-2-oxoethyl]-5-(2-{[2-(4-hydroxyphenyl)ethyl]-c-hydroxycarbonimidoyl}eth-1-en-1-yl)-7-methoxy-2,3-dihydro-1-benzofuran-3-carboximidic acid