InChI=1/C13H20N4O/c1-2-17(7-8-18)6-5-13-15-11-4-3-10(14)9-12(11)16-13/h3-4,9,18H,2,5-8,14H2,1H3,(H,15,16)/p+1/fC13H21N4O/h16-17H/q+1 8EFA8FD64135D1DD