InChI=1/C13H12N4O4S/c1-7(18)14-9-4-2-8(3-5-9)10(19)6-22-12-11(20)15-13(21)17-16-12/h2-5H,6H2,1H3,(H,14,18)(H2,15,17,20,21)/p-1/fC13H11N4O4S/h14-15H/q-1 F51C83BF2A475F3E