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