InChI=1/C15H20N4O4S/c1-9-2-7-12(24(22,23)19-11-5-6-11)8-13(9)14(20)17-18-15(21)16-10-3-4-10/h2,7-8,10-11,19H,3-6H2,1H3,(H,17,20)(H2,16,18,21)/f/h16-18H 5DD8989FB9D5694A