InChI=1S/C18H31NO16S2/c1-3-18(2,34-16-12(25)10(23)11(24)14(33-16)15(27)28)4-7(19-35-37(29,30)31)36-17-13(26)9(22)8(21)6(5-20)32-17/h6,8-14,16-17,20-26H,3-5H2,1-2H3,(H,27,28)(H,29,30,31)/b19-7+