InChI=1/C21H20BrN5O/c1-13-19-8-20(25-11-21(19)27-26-13)15-7-18(10-24-9-15)28-12-17(23)6-14-2-4-16(22)5-3-14/h2-5,7-11,17H,6,12,23H2,1H3,(H,26,27)/p+1/t17-/m0/s1/fC21H21BrN5O/h23,27H/q+1 DDF620676B381BB1