InChI=1/C12H8BrN3O5/c13-7-4-8(12(19)14-5-7)15-11(18)6-1-2-9(16(20)21)10(17)3-6/h1-5,17H,(H,14,19)(H,15,18)/f/h14-15H DA679EAFAB91FBFF