InChI=1/C10H13BrN4O4S/c11-6-3-8(12-4-6)9(16)14-15-10(17)13-7-1-2-20(18,19)5-7/h3-4,7,12H,1-2,5H2,(H,14,16)(H2,13,15,17)/t7-/m1/s1/f/h13-15H 72D796E3D774D802