InChI=1/C13H17N5O/c1-17(2)8-9-18(11-6-4-3-5-7-11)13(19)12-10-14-16-15-12/h3-7,10H,8-9H2,1-2H3,(H,14,15,16)/p+1/fC13H18N5O/h14,17H/q+1 7C3C2CE86EADCEB5