InChI=1/C18H19N5O2/c1-10-4-5-11(2)21-15(10)9-20-17(24)14-8-13(22-18(19)23-14)16-7-6-12(3)25-16/h4-8H,9H2,1-3H3,(H,20,24)(H2,19,22,23)/p+1/fC18H20N5O2/h20-21H,19H2/q+1 9408E59E348A89B2