InChI=1/C12H11BrN8/c13-9-4-2-1-3-8(9)6-15-19-12-20-17-10(14)5-11-18-16-7-21(11)12/h1-4,6-7H,5H2,(H2,14,17)(H,19,20)/p+1/b15-6+/fC12H12BrN8/h17,19H,14H2/q+1 B94673136794872A