Showing structure for 2-{[3,5-dihydroxy-6-(hydroxymethyl)-4-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}oxan-2-yl]oxy}-4,8-dihydroxy-5-methoxy-1,7-bis(3-methylbut-2-en-1-yl)xanthen-9-one