InChI=1/C10H9N4O3S2/c1-14-9(18-10(13-14)19(11,16)17)12-8(15)7-5-3-2-4-6-7/h2-6H,1H3,(H-,11,16,17)/q-1/p+1/fC10H10N4O3S2/h11,13H/q 2E9FA380031AB4D4