Showing structure for 5-({4-[2-(3,4-dihydroxyphenyl)ethoxy]-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl}oxy)-4,6-dihydroxy-2-(hydroxymethyl)oxan-3-yl 3-(3,4-dihydroxyphenyl)prop-2-enoate