InChI=1/C13H14N4O2S/c1-17-12(18)10-8(9-3-2-6-19-9)7-20-11(10)16-13(17)15-5-4-14/h2-3,6-7H,4-5,14H2,1H3,(H,15,16)/p+1/fC13H15N4O2S/h14-15H/q+1 DF178FAEB54559ED