InChI=1/C16H17BrN2O2/c1-11-7-8-13(9-16(11)19(20)21)12(2)18-10-14-5-3-4-6-15(14)17/h3-9,12,18H,10H2,1-2H3/p+1/t12-/m1/s1/fC16H18BrN2O2/h18H/q+1 9322C618D2AB326E