InChI=1S/C12H20N2O10S/c15-10(16)7(2-5-14-6-3-8(14)11(17)18)13-4-1-9(12(19)20)24-25(21,22)23/h7-9,13H,1-6H2,(H,15,16)(H,17,18)(H,19,20)(H,21,22,23)