InChI=1/C14H19BrN2O2/c1-4-7-16-14(18)10-17(2)9-11-8-12(15)5-6-13(11)19-3/h4-6,8H,1,7,9-10H2,2-3H3,(H,16,18)/p+1/fC14H20BrN2O2/h16-17H/q+1 1B7FC5EB0CFB2DC7