InChI=1/C13H16Br2N2O3/c1-2-3-4-10(16)12(18)17-11-8(13(19)20)5-7(14)6-9(11)15/h5-6,10H,2-4,16H2,1H3,(H,17,18)(H,19,20)/t10-/m1/s1/f/h16-17H	6827DD9E3D3D297E