Showing structure for 3-{2-[5-acetyl-2-(5,7-dimethyl-2-oxonona-3,5-dien-1-yl)-4,5-dihydroxy-3-oxocyclopent-1-en-1-yl]-4,5-dihydroxyphenyl}-5-[(3,4-dihydroxyphenyl)methylidene]-4-hydroxyfuran-2-one