InChI=1/C22H23BrN2O3/c1-14-20(15-3-5-16(23)6-4-15)21(27)17-7-8-19(26)18(22(17)28-14)13-25-11-9-24(2)10-12-25/h3-8,26H,9-13H2,1-2H3/p+1/fC22H24BrN2O3/h24H/q+1 2FD2251F3D1C0420