[6,7,8,11,12,13-Hexahydroxy-3,16-dioxo-20,21-bis[(3,4,5-trihydroxybenzoyl)oxy]-2,17,23-trioxatetracyclo[17.3.1.04,9.010,15]tricosa-4,6,8,10,12,14-hexaen-22-yl] 2-[[1,13,14,15,18,19,34,35,39,39-decahydroxy-2,5,10,23,31-pentaoxo-28-(3,4,5-trihydroxybenzoyl)oxy-6,9,24,27,30,40-hexaoxaoctacyclo[34.3.1.04,38.07,26.08,29.011,16.017,22.032,37]tetraconta-3,11,13,15,17,19,21,32,34,36-decaen-20-yl]oxy]-3,4,5-trihydroxybenzoate