InChI=1/C18H13BrN2O3/c19-13-9-15-16(24-8-7-23-15)10-14(13)21-18(22)12-5-1-3-11-4-2-6-20-17(11)12/h1-6,9-10H,7-8H2,(H,21,22)/f/h21H B9FAD675F1223E05