InChI=1/C13H13N5O2S/c1-7-4-11(18-20-7)16-13(19)17-12-9(5-14)8-2-3-15-6-10(8)21-12/h4,15H,2-3,6H2,1H3,(H2,16,17,18,19)/p+1/fC13H14N5O2S/h15-17H/q+1 36D1997C10AA58A6