Showing structure for methyl 4,8,9-trihydroxy-5-[5-hydroxy-2-(1-hydroxy-4-methoxy-2-methyl-4-oxobutyl)-2-(methoxycarbonyl)-4-oxo-3h-1-benzopyran-6-yl]-3-methyl-1-oxo-3,4-dihydro-2h-xanthene-4a-carboxylate