InChI=1/C23H23BrN2O2/c1-28-22-19-9-5-4-8-18(19)21(24)14-20(22)23(27)25-11-13-26-12-10-16-6-2-3-7-17(16)15-26/h2-9,14H,10-13,15H2,1H3,(H,25,27)/f/h25H 8E0F271C99F1B545