2-Propen-1-one, 3-(3-(4-(5-(4-(2,4-dihydroxybenzoyl)tetrahydro-5-(4-hydroxyphenyl)-3-((4-hydroxyphenyl)methyl)-2-furanyl)-2,4-dihydroxyphenyl)-3,4-dihydro-7-hydroxy-2-(4-hydroxyphenyl)-2H-1-benzopyran-3-yl)-4-hydroxyphenyl)-1-(2,4-dihydroxyphenyl)-