InChI=1/C12H11BrN4O2S/c1-7(10(18)16-12-17-14-6-20-12)15-11(19)8-2-4-9(13)5-3-8/h2-7H,1H3,(H,15,19)(H,16,17,18)/t7-/m0/s1/f/h15,18H B469EAF50867633D