InChI=1/C19H21BrN4O/c1-19(2,11-21)18-23-16(12-6-8-22-9-7-12)17(24-18)13-4-5-14(20)15(10-13)25-3/h4-10H,11,21H2,1-3H3,(H,23,24)/p+1/fC19H22BrN4O/h21,23H/q+1 B7518E0CF6EB59A0