InChI=1S/C30H26O13/c31-13-21-24(37)26(39)29(42-22(36)10-3-14-1-6-16(32)7-2-14)30(41-21)43-28-25(38)23-19(35)11-18(34)12-20(23)40-27(28)15-4-8-17(33)9-5-15/h1-12,21,24,26,29-35,37,39H,13H2/b10-3+