InChI=1/C15H16N6O/c1-22-11-4-2-3-9(7-11)18-8-10-5-6-12-13(19-10)14(16)21-15(17)20-12/h2-7,18H,8H2,1H3,(H4,16,17,20,21)/p+1/fC15H17N6O/h20H,16-17H2/q+1 B2C42477C3F05DD4