InChI=1S/C36H36O21S/c37-12-23-33(57-58(49,50)51)32(48)35(56-36-31(47)30(46)28(44)24(55-36)13-52-25(43)8-3-14-1-5-16(38)6-2-14)34(54-23)27-20(42)11-22-26(29(27)45)19(41)10-21(53-22)15-4-7-17(39)18(40)9-15/h1-11,23-24,28,30-40,42,44-48H,12-13H2,(H,49,50,51)/b8-3+