InChI=1/C16H9BrFN7O2/c17-12-6-9(18)5-11-13(12)20-16(27)14(11)21-22-15(26)8-1-3-10(4-2-8)25-7-19-23-24-25/h1-7H,(H,22,26)(H,20,21,27)/f/h22,27H/b21-14+ 4B068EA9F8779696