InChI=1S/C27H30O20S/c28-4-12-17(33)21(37)23(39)26(46-12)15-19(35)14-10(32)3-11(6-1-8(30)9(31)2-7(6)29)45-25(14)16(20(15)36)27-24(40)22(38)18(34)13(47-27)5-44-48(41,42)43/h1-3,12-13,17-18,21-24,26-31,33-40H,4-5H2,(H,41,42,43)