InChI=1/C18H25BrN2O2/c1-2-16(21-11-3-4-12-21)13-20-18(23)10-9-17(22)14-5-7-15(19)8-6-14/h5-8,16H,2-4,9-13H2,1H3,(H,20,23)/p+1/t16-/m0/s1/fC18H26BrN2O2/h20-21H/q+1 60B2B850A046EF55