[5-[4,5-dihydroxy-6-(hydroxymethyl)-3-[3-[4-hydroxy-3-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyphenyl]prop-2-enoyloxy]oxan-2-yl]oxy-3,4-dihydroxy-6-[[7-hydroxy-2-(4-hydroxy-3-methoxyphenyl)-5-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2H-chromen-1-ium-3-yl]oxy]oxan-2-yl]methyl 3-[4-[4,5-dihydroxy-6-(hydroxymethyl)-3-[3-[4-hydroxy-3-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyphenyl]prop-2-enoyloxy]oxan-2-yl]oxy-3-hydroxyphenyl]prop-2-enoate