InChI=1/C14H10BrN5O4/c15-6-3-10(16-5-6)13(23)19-20-14(24)17-7-1-2-8-9(4-7)12(22)18-11(8)21/h1-5,16H,(H,19,23)(H2,17,20,24)(H,18,21,22)/f/h17-20H 87E86409F84B1F0A