Showing structure for 3,5-dihydroxy-2-{[5-hydroxy-2-(4-hydroxyphenyl)-4-oxo-3-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}chromen-7-yl]oxy}-6-methyloxan-4-yl 2-methylpropanoate