InChI=1/C14H20N4O/c1-8(2)18-14(3,4)13-16-10-7-5-6-9(12(15)19)11(10)17-13/h5-8,18H,1-4H3,(H2,15,19)(H,16,17)/p+1/fC14H21N4O/h16,18H,15H2/q+1 EDE8FC4E1B4ACECE