InChI=1/C20H21BrN6O3S/c1-29-16-6-4-15(5-7-16)23-18(28)9-10-31-20-24-19(26-27-20)25-22-12-13-11-14(21)3-8-17(13)30-2/h3-8,11-12H,9-10H2,1-2H3,(H,23,28)(H2,24,25,26,27)/b22-12+/f/h23,25-26H C6ADF0973D80B1C6