InChI=1S/C27H30O17/c28-6-16-19(34)21(36)23(38)26(43-16)41-14-4-9(30)3-13-10(14)5-15(25(40-13)8-1-11(31)18(33)12(32)2-8)42-27-24(39)22(37)20(35)17(7-29)44-27/h1-5,16-17,19-24,26-29,34-39H,6-7H2,(H3-,30,31,32,33)/p+1/t16-,17-,19-,20-,21+,22+,23-,24-,26-,27-/m1/s1