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