InChI=1/C13H20N4O4S/c1-3-22(20,21)9-8-14-12(18)16-17-13(19)15-11-7-5-4-6-10(11)2/h4-7H,3,8-9H2,1-2H3,(H2,14,16,18)(H2,15,17,19)/f/h14-17H 4D9E350D4C3EE8A8