Showing structure for 2-{[(2s,3r,4r,5s,6r)-3,4-dihydroxy-6-(hydroxymethyl)-5-{[(2s,3r,4s,5s,6r)-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