InChI=1/C13H20N4O/c1-10(2)11-6-4-5-7-12(11)18-9-8-16-17(3)13(14)15/h4-8,10H,9H2,1-3H3,(H3,14,15)/p+1/b16-8+/fC13H21N4O/h14-15H2/q+1 D4A37E206EC284B5