InChI=1/C23H31BrN2O/c1-4-5-6-7-8-9-12-25-22-17-13-16(24)10-11-18(17)26-19-14-23(2,3)15-20(27)21(19)22/h10-11,13H,4-9,12,14-15H2,1-3H3,(H,25,26)/f/h25H 0ABAF4BE9AE7B1C7