InChI=1S/C30H26O17S/c31-14-5-3-13(8-16(14)33)19-9-17(34)24-21(45-19)10-18(35)25(27(24)38)30-29(40)28(39)26(37)22(46-30)11-44-23(36)6-2-12-1-4-15(32)20(7-12)47-48(41,42)43/h1-10,22,26,28-33,35,37-40H,11H2,(H,41,42,43)/b6-2+