InChI=1S/C28H30O17/c1-40-24-12(42-27-21(36)18(33)17(32)15(8-29)44-27)5-3-10-16(31)14(41-23(10)24)7-9-2-4-11(30)13(6-9)43-28-22(37)19(34)20(35)25(45-28)26(38)39/h2-7,15,17-22,25,27-30,32-37H,8H2,1H3,(H,38,39)/b14-7+