InChI=1/C10H9BrN4O4S/c11-6-3-5(20(12,18)19)1-2-7(6)14-9(16)8-4-13-10(17)15-8/h1-4H,(H,14,16)(H2,12,18,19)(H2,13,15,17)/f/h13-15H,12H2 75335AB6BF3F60A1