InChI=1/C13H18N4OS/c1-8-9(2)19-11-10(8)12(18)16(3)13(15-11)17-6-4-14-5-7-17/h14H,4-7H2,1-3H3/p+1/fC13H19N4OS/h14H/q+1 20BF898CA5B97BDC