InChI=1/C13H10BrN5O2/c14-8-5-10(13(21)15-6-8)16-12(20)7-19-11-4-2-1-3-9(11)17-18-19/h1-6H,7H2,(H,15,21)(H,16,20)/f/h15-16H 716735217E2AD0BE