InChI=1/C15H20BrN3O/c16-11-1-3-12(4-2-11)17-15(20)18-13-7-9-19(10-8-13)14-5-6-14/h1-4,13-14H,5-10H2,(H2,17,18,20)/p+1/fC15H21BrN3O/h17-19H/q+1 0B68B0FD9E6F6DB3