InChI=1/C13H18N4O2S/c1-17(2)10-12-5-3-4-11(6-12)7-16-20(18,19)13-8-14-15-9-13/h3-6,8-9,16H,7,10H2,1-2H3,(H,14,15)/p+1/fC13H19N4O2S/h14,17H/q+1 7459A7D6F0E6E74A