InChI=1/C12H15Br2N3O3/c1-2-3-4-15-7-11(18)16-12-9(14)5-8(13)6-10(12)17(19)20/h5-6,15H,2-4,7H2,1H3,(H,16,18)/p+1/fC12H16Br2N3O3/h15-16H/q+1 2CC9ACC8BBCA5B95