InChI=1S/C27H22O22S/c28-5-12-19-17(34)21(25(44-12)47-22(35)6-1-10(30)18(11(31)2-6)49-50(41,42)43)46-24(37)8-4-13(32)27(40)26(38,39)15(8)14-7(23(36)45-19)3-9(29)16(33)20(14)48-27/h1-4,12,15,17,19,21,25,28-31,33-34,38-40H,5H2,(H,41,42,43)