InChI=1S/C29H26O12/c1-38-24-13-18(4-8-20(24)31)14-25(28(35)36)41-27(34)10-6-16-5-9-23(22(33)11-16)40-26(29(37)39-2)15-17-3-7-19(30)21(32)12-17/h3-13,15,25,30-33H,14H2,1-2H3,(H,35,36)/b10-6+,26-15-