InChI=1S/C31H26O10/c32-15-2-3-17-26(10-15)41-30-16-4-6-21(34)28(38)19(16)12-39-31(30)27(17)18-7-14-9-24(37)29(40-25(14)11-22(18)35)13-1-5-20(33)23(36)8-13/h1-8,10-11,24,27,29-38H,9,12H2