InChI=1/C13H20N4O/c1-16-11-5-6-14-9-10(11)12(15-16)13(18)17-7-3-2-4-8-17/h14H,2-9H2,1H3/p+1/fC13H21N4O/h14H/q+1 9CC3DB0108E861E6