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