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