InChI=1/C20H18BrN3/c21-19-11-15(5-2-1-4-14-6-3-9-24-13-14)10-16-7-8-17(20(22)23)12-18(16)19/h2-3,5-13H,1,4H2,(H3,22,23)/p+1/b5-2+/fC20H19BrN3/h22-23H2/q+1 A61C66B632CDD652