InChI=1/C13H12N4O3S/c1-7-4-2-3-5-8(7)11-14-15-13-17(11)16-12(20)9(21-13)6-10(18)19/h2-5,9H,6H2,1H3,(H,16,20)(H,18,19)/p-1/t9-/m1/s1/fC13H11N4O3S/h20H/q-1 8E536BD50397A544