InChI=1/C18H13BrN2O3/c19-12-9-16-17(24-8-7-23-16)10-15(12)21-18(22)14-6-5-11-3-1-2-4-13(11)20-14/h1-6,9-10H,7-8H2,(H,21,22)/f/h21H 5C893D4A62FB407C