InChI=1/C15H19N5/c1-3-5-9-8-10-12(20(9)4-2)7-6-11-13(10)14(16)19-15(17)18-11/h6-8H,3-5H2,1-2H3,(H4,16,17,18,19)/p+1/fC15H20N5/h18H,16-17H2/q+1 A24B8C587B58356F