InChI=1/C20H19BrN2O/c21-20-7-2-1-5-17(20)14-22-13-16-8-10-19(11-9-16)24-15-18-6-3-4-12-23-18/h1-12,22H,13-15H2/p+1/fC20H20BrN2O/h22H/q+1 A9F34BCF17B9926C