InChI=1S/C35H36O18S/c36-16-27-29(41)30(42)31(33(51-27)50-22-8-1-19(2-9-22)5-13-25(38)24-12-7-21(37)15-26(24)39)52-34-32(43)35(44,18-49-34)17-48-28(40)14-6-20-3-10-23(11-4-20)53-54(45,46)47/h1-15,27,29-34,36-37,39,41-44H,16-18H2,(H,45,46,47)/b13-5?,14-6+