InChI=1/C16H14BrN3O2/c1-10(16-19-12-4-2-3-5-13(12)20-16)18-15(21)9-7-11-6-8-14(17)22-11/h2-10H,1H3,(H,18,21)(H,19,20)/b9-7+/t10-/m0/s1/f/h18-19H 251F2C4639342864