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