InChI=1S/C17H21BrN2O2/c18-14-9-5-4-8-13(14)12-20-15(21)17(19-16(20)22)10-6-2-1-3-7-11-17/h4-5,8-9H,1-3,6-7,10-12H2,(H,19,22)