InChI=1/C16H12BrN3O4/c1-7-2-11-13(6-12(7)17)18-16(24)14(11)19-20-15(23)8-3-9(21)5-10(22)4-8/h2-6,21-22H,1H3,(H,20,23)(H,18,19,24)/p+1/fC16H13BrN3O4/h18-20H/q+1 AE4FC418664A23D1