InChI=1S/C36H34O17/c37-13-5-19(38)17-9-25(44)32(51-26(17)6-13)16-8-22(41)21(40)7-15(16)27-23(42)11-20(39)18-10-24(43)31(52-33(18)27)12-2-1-3-14(4-12)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)