InChI=1/C13H18N4O2S/c1-9-4-5-11(14)10(2)13(9)20(18,19)16-8-12-15-6-7-17(12)3/h4-7,16H,8,14H2,1-3H3/p+1/fC13H19N4O2S/h15H/q+1 3CF88888BC9C50F0