InChI=1/C16H20BrN3O2/c1-4-20-11(3)13(10(2)19-20)8-18-7-12-5-14(17)16-15(6-12)21-9-22-16/h5-6,18H,4,7-9H2,1-3H3/p+1/fC16H21BrN3O2/h18H/q+1 87EBD99BC2B90D63