InChI=1S/C27H30O20S/c28-6-16-18(33)20(35)22(37)26(45-16)43-14-4-9(30)3-13-10(14)5-15(44-27-23(38)21(36)19(34)17(7-29)46-27)24(42-13)8-1-11(31)25(12(32)2-8)47-48(39,40)41/h1-5,16-23,26-29,33-38H,6-7H2,(H3-,31,32,39,40,41)/p+1