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