InChI=1/C11H13N4O2S/c1-3-10-13-7-11(14-10)18(16,17)15-9-6-12-5-4-8(9)2/h4-7H,3H2,1-2H3,(H,13,14)/q-1/p+1/fC11H14N4O2S/h13-14H/q E096F91A89FDA0FA