InChI=1/C21H27BrN2O2/c1-15-5-7-16(8-6-15)12-23-13-17-11-18(22)9-10-19(17)26-14-20(25)24-21(2,3)4/h5-11,23H,12-14H2,1-4H3,(H,24,25)/f/h24H 0F6BA4D420BBD6C6