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