InChI=1S/C38H34O17/c1-13-6-18(40)27-34(54-38-32(45)30(43)31(44)36(55-38)37(46)47)24-17(9-15(48-2)11-21(24)50-4)25(35(27)52-13)28-20(49-3)7-14-8-22-26(19(41)10-16(12-39)53-22)29(42)23(14)33(28)51-5/h6-11,30-32,36,38-39,42-45H,12H2,1-5H3,(H,46,47)