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