InChI=1S/C27H20O21S/c28-2-5(30)20-24(48-49(42,43)44)23-22(45-20)12-11(27(41)47-23)9(16(34)19(37)17(12)35)8-10-7(14(32)18(36)15(8)33)6-3(25(38)39)1-4(29)13(31)21(6)46-26(10)40/h1,5,20,22-24,28-37H,2H2,(H,38,39)(H,42,43,44)