InChI=1S/C24H28Br2N2O4/c1-15(29)32-21-10-9-16(12-22(21)31-3)24(30)27-23-17(11-18(25)13-20(23)26)14-28(2)19-7-5-4-6-8-19/h9-13,19H,4-8,14H2,1-3H3,(H,27,30)