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