InChI=1/C21H35BrN2O2/c1-19(2,3)14-21(7,8)23-12-15-11-16(22)9-10-17(15)26-13-18(25)24-20(4,5)6/h9-11,23H,12-14H2,1-8H3,(H,24,25)/p+1/fC21H36BrN2O2/h23-24H/q+1 8C43AB42894385C3