InChI=1/C13H17N4O2S/c1-9-13(10(2)16-15-9)20(18,19)17-12-5-3-11(4-6-12)7-8-14/h3-6H,7-8,14H2,1-2H3,(H,15,16)/q-1/p+1/fC13H18N4O2S/h14-15H/q E6C3CE3032F6DA13