Showing structure for [3,4,5-trihydroxy-6-(3-hydroxy-4,5-dimethoxyphenoxy)oxan-2-yl]methyl 5-{3,8-dihydroxy-1,5-dimethyl-6-oxabicyclo[3.2.1]octan-8-yl}-3-methylpenta-2,4-dienoate