InChI=1/C11H8BrN3O3/c12-7-8(14-11(13)15-9(7)16)5-3-1-2-4-6(5)10(17)18/h1-4H,(H,17,18)(H3,13,14,15,16)/p-1/fC11H7BrN3O3/h15H,13H2/q-1 3405A1303C504E64