InChI=1/C19H21BrN2O2/c1-24-18-7-6-16(20)12-17(18)19(23)21-9-11-22-10-8-14-4-2-3-5-15(14)13-22/h2-7,12H,8-11,13H2,1H3,(H,21,23)/f/h21H EDF9C3AF1CFC4371