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