Showing structure for 2-[(2r,3r)-3-(3,5-dihydroxyphenyl)-6-hydroxy-2-(4-hydroxyphenyl)-2,3-dihydro-1-benzofuran-5-yl]-5,7-dihydroxy-8-(3-methylbut-2-en-1-yl)-2,3-dihydro-1-benzopyran-4-one