InChI=1/C13H18N4O2S/c1-9-6-11(14)7-12(10(9)2)20(18,19)16-8-13-15-4-5-17(13)3/h4-7,16H,8,14H2,1-3H3/p+1/fC13H19N4O2S/h15H/q+1 0E0AFD11D9F69FDF