InChI=1S/C12H24N2O11S/c13-4-2-1-3-6(12(18)19)14(20)11-9(17)8(16)10(7(5-15)24-11)25-26(21,22)23/h6-11,15-17,20H,1-5,13H2,(H,18,19)(H,21,22,23)