InChI=1/C16H20BrN3O/c1-12-15(19-11-18-12)10-20-8-6-16(21,7-9-20)13-2-4-14(17)5-3-13/h2-5,11,21H,6-10H2,1H3,(H,18,19)/p+1/fC16H21BrN3O/h18,20H/q+1 A1AE84812C71B64A