InChI=1S/C36H34O17/c37-13-3-1-2-12(4-13)31-24(43)10-18-20(39)11-23(42)27(33(18)52-31)15-7-21(40)22(41)8-16(15)32-25(44)9-17-19(38)5-14(6-26(17)51-32)50-36-30(47)28(45)29(46)34(53-36)35(48)49/h1-8,11,24-25,28-32,34,36-47H,9-10H2,(H,48,49)