[6-[[6-[[6-[[6-[[6-[[2-(3,4-dihydroxyphenyl)-4-[4-[2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-4-[3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-4-[3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-4-[3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-8-yl]-3,4-dihydro-2H-chromen-8-yl]-3,4-dihydro-2H-chromen-8-yl]-3,4-dihydro-2H-chromen-8-yl]-3,5,7-trihydroxy-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromen-8-yl]-3,5-dihydroxy-3,4-dihydro-2H-chromen-7-yl]oxy]-3,4,5-trihydroxyoxan-2-yl]methoxy]-3,4,5-trihydroxyoxan-2-yl]methoxy]-3,4,5-trihydroxyoxan-2-yl]methoxy]-3,4,5-trihydroxyoxan-2-yl]methoxy]-3,4,5-trihydroxyoxan-2-yl]methyl 3,4,5-trihydroxybenzoate