InChI=1/C26H35BrN2O2/c1-17-9-14-21(18(2)15-17)23(24(31)28-25(3,4)5)29(26(6,7)8)22(30)16-19-10-12-20(27)13-11-19/h9-15,23H,16H2,1-8H3,(H,28,31)/t23-/m1/s1/f/h28H 40B397F8A0AF03DC