InChI=1/C13H11Br2N5O3/c1-2-3-22-11-7(4-8(14)5-9(11)15)6-17-18-13(21)10-12(16)20-23-19-10/h2,4-6H,1,3H2,(H2,16,20)(H,18,21)/b17-6-/f/h18H,16H2 0FC9D24972D923D5