InChI=1/C13H14N4O2S/c1-3-6-17-11-9(12(18)16(2)13(17)19)14-10(15-11)8-5-4-7-20-8/h4-5,7,18H,3,6H2,1-2H3/p-1/fC13H13N4O2S/h18h/q-1 1505270CFF7CE206