InChI=1/C13H14N4O4S/c1-2-7-17-12(5-6-14-17)16-22(19,20)9-3-4-10-11(8-9)21-13(18)15-10/h3-6,8H,2,7H2,1H3,(H2,14,15,16,18)/p-1/fC13H13N4O4S/h15H/q-1 FCD4B3AFA51CFBF0