InChI=1/C10H8BrN5O3/c11-6-3-1-5(2-4-6)10(17)18-15-8(12)7-9(13)16-19-14-7/h1-4H,(H2,12,15)(H2,13,16)/f/h12-13H2/b15-8- 4CD444E42C518641