InChI=1/C16H20BrN3O/c1-2-20(12-7-3-4-8-12)11-15-18-19-16(21-15)13-9-5-6-10-14(13)17/h5-6,9-10,12H,2-4,7-8,11H2,1H3/p+1/fC16H21BrN3O/h20H/q+1 0AF95FE477DBE5BD