InChI=1/C16H12BrN4O5S/c1-26-15-7-6-12(21(22)23)8-16(15)27(24,25)19-13-4-2-3-5-14(13)20-10-11(17)9-18-20/h2-10H,1H3/q-1 50F96D27D68F10DF