Showing structure for methyl (2r)-6-{3-[3,6-dihydroxy-2-(methoxycarbonyl)-4-methylbenzoyl]-2,4-dihydroxyphenyl}-5-hydroxy-2-[(1s,2r)-1-hydroxy-4-methoxy-2-methyl-4-oxobutyl]-4-oxo-3h-1-benzopyran-2-carboxylate