InChI=1/C17H19BrN2O/c1-13-4-2-3-5-15(13)11-20(12-17(19)21)10-14-6-8-16(18)9-7-14/h2-9H,10-12H2,1H3,(H2,19,21)/f/h19H2 8B1AA75C673BA84A