InChI=1S/C26H26O13/c1-10(9-27)2-3-11-6-12(4-5-14(11)29)22-23(18(31)17-15(30)7-13(28)8-16(17)37-22)38-26-21(34)19(32)20(33)24(39-26)25(35)36/h2,4-8,19-21,24,26-30,32-34H,3,9H2,1H3,(H,35,36)/b10-2+