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)/f/h16H 89AB78AFA0E406FC