InChI=1/C17H19BrN2O/c1-12-3-6-14(7-4-12)10-19-11-17(21)20-16-8-5-13(2)9-15(16)18/h3-9,19H,10-11H2,1-2H3,(H,20,21)/f/h20H 8B38ED7402DF3BAE