InChI=1S/C30H26O12/c31-13-23-27(37)28(38)29(42-24(35)10-3-15-1-6-17(32)7-2-15)30(41-23)40-19-11-21(34)25-22(12-19)39-14-20(26(25)36)16-4-8-18(33)9-5-16/h1-12,14,23,27-34,37-38H,13H2/b10-3+