InChI=1/C6H7BrN4O4/c7-3-4(12)9-6(15)11(10-3)1-2(8)5(13)14/h2H,1,8H2,(H,13,14)(H,9,12,15)/t2-/m0/s1/f/h8-9H 422E54C9420F1C2B