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