InChI=1S/C30H26O15S/c31-13-22-26(37)27(38)30(44-23(36)10-3-14-1-8-17(9-2-14)45-46(39,40)41)29(43-22)25-19(34)11-18(33)24-20(35)12-21(42-28(24)25)15-4-6-16(32)7-5-15/h1-12,22,26-27,29-34,37-38H,13H2,(H,39,40,41)/b10-3+