InChI=1/C13H10BrN5O2/c14-10-6-17-18-12(10)7-16-11-1-2-13(19(20)21)9-5-15-4-3-8(9)11/h1-6,16H,7H2,(H,17,18)/f/h18H EC5709F02A78DBA5