[2-(3,4-dihydroxyphenyl)-6-[6-[6-[2-(3,4-dihydroxyphenyl)-6-[2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-7-[3,4,5-trihydroxy-6-[[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]oxan-2-yl]oxy-3,4-dihydro-2H-chromen-4-yl]-3,5-dihydroxy-7-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3,4-dihydro-2H-chromen-4-yl]-5-hydroxy-3-(3,4,5-trihydroxybenzoyl)oxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-4-yl]-5,7-dihydroxy-3-(3,4,5-trihydroxybenzoyl)oxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-4-yl]-7-hydroxy-5-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3,4-dihydro-2H-chromen-3-yl] 3,4,5-trihydroxybenzoate