Showing structure for 3,6,9-trimethylidene-2-oxo-8-{[3,4,5-trihydroxy-6-({[2-(4-hydroxyphenyl)acetyl]oxy}methyl)oxan-2-yl]oxy}-octahydroazuleno[4,5-b]furan-4-yl 2-hydroxy-3-methylbutanoate