InChI=1/C13H19BrN2O3/c1-10-8-11(14)2-3-12(10)15-13(19)9-16(4-6-17)5-7-18/h2-3,8,17-18H,4-7,9H2,1H3,(H,15,19)/p+1/fC13H20BrN2O3/h15-16H/q+1 3AF46F63622F37AF