InChI=1/C23H24BrN3O2/c1-15-9-8-12-19(13-15)27-16(2)20(21(24)17(27)3)14-25-26-23(28)22(29-4)18-10-6-5-7-11-18/h5-14,22H,1-4H3,(H,26,28)/b25-14+/t22-/m1/s1/f/h26H 912A660AE84B8823