InChI=1/C13H12BrN3O2/c1-9(10-5-2-3-6-11(10)14)16-13-12(17(18)19)7-4-8-15-13/h2-9H,1H3,(H,15,16)/t9-/m0/s1/f/h16H 8756A7C3BCA9D0D3