Chemical Formula: C29H52O21

5-{[6-({[3,4-dihydroxy-6-(hydroxymethyl)-5-methoxyoxan-2-yl]oxy}methyl)-3,4-dihydroxy-5-{[4-hydroxy-3-(2-hydroxyethoxy)-6-(hydroxymethyl)-5-methoxyoxan-2-yl]oxy}oxan-2-yl]oxy}-6-(hydroxymethyl)-2-methyloxane-3,4-diol