InChI=1/C18H23BrN2O2/c1-18(2,3)20-17(23)11-21(4)10-15-14-7-6-13(19)9-12(14)5-8-16(15)22/h5-9,22H,10-11H2,1-4H3,(H,20,23)/p+1/fC18H24BrN2O2/h20-21H/q+1 0F6CC4DA680D60C9