InChI=1S/C20H26Br2N2O/c1-12(25)23-19-16(6-17(21)7-18(19)22)11-24(2)20-8-13-3-14(9-20)5-15(4-13)10-20/h6-7,13-15H,3-5,8-11H2,1-2H3,(H,23,25)