InChI=1S/C36H36O17/c37-15-3-4-16(20(40)10-15)27(23(43)8-13-1-5-18(38)22(42)7-13)28-24(44)12-21(41)17-11-25(45)32(52-33(17)28)14-2-6-19(39)26(9-14)51-36-31(48)29(46)30(47)34(53-36)35(49)50/h1-7,9-10,12,23,25,27,29-32,34,36-48H,8,11H2,(H,49,50)