InChI=1S/C36H36O17/c1-15-29(42)31(44)33(46)35(49-15)48-14-26-30(43)32(45)34(47)36(53-26)51-19-11-22(39)28-23(40)13-24(52-25(28)12-19)17-4-6-18(7-5-17)50-27(41)9-3-16-2-8-20(37)21(38)10-16/h2-13,15,26,29-39,42-47H,14H2,1H3/b9-3+