InChI=1/C11H11BrN4O2/c1-7(10-4-5-13-15-10)14-11-3-2-8(16(17)18)6-9(11)12/h2-7,14H,1H3,(H,13,15)/t7-/m1/s1/f/h13H 8CBAE78EADA03043