InChI=1/C13H20N4O/c1-9-6-15-11(7-14-9)13(18)16-8-12(17(2)3)10-4-5-10/h6-7,10,12H,4-5,8H2,1-3H3,(H,16,18)/p+1/t12-/m0/s1/fC13H21N4O/h16-17H/q+1 B68A86F60FBAF891