InChI=1/C13H20N4O4S/c1-9(2)17-22(20,21)11-6-4-10(5-7-11)15-8-12(18)16-13(19)14-3/h4-7,9,15,17H,8H2,1-3H3,(H2,14,16,18,19)/f/h14,16H CE661B0C0B602721