InChI=1S/C27H30O16/c28-7-17-19(33)21(35)23(37)26(42-17)40-14-2-1-9(3-13(14)32)25-16(6-11-12(31)4-10(30)5-15(11)39-25)41-27-24(38)22(36)20(34)18(8-29)43-27/h1-6,17-24,26-29,33-38H,7-8H2,(H2-,30,31,32)/p+1/t17-,18-,19-,20-,21+,22+,23-,24-,26-,27-/m1/s1