InChI=1S/C12H20N2O10S/c15-4-9(18)8(17)1-6-2-13-3-7(14-6)11(19)12(20)10(5-16)24-25(21,22)23/h2-3,8-12,15-20H,1,4-5H2,(H,21,22,23)