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