InChI=1/C21H20N6O/c1-13-7-18(8-14(2)25-13)21(19(28)27(3)20(22)26-21)17-6-4-5-15(9-17)16-10-23-12-24-11-16/h4-12H,1-3H3,(H2,22,26)/p+1/t21-/m1/s1/fC21H21N6O/h26H,22H2/q+1 B3891B71EC04DB39