4H-1-Benzopyran-4-one,6-[(1S,5S,6R)-6-[2,4-dihydroxy-3-(3-methyl-2-buten-1-yl)benzoyl]-5-(2,4-dihydroxyphenyl)-3-methyl-2-cyclohexen-1-yl]-2-(2,4-dihydroxyphenyl)-5,7-dihydroxy-