InChI=1/C16H14BrN3O2/c17-12-1-6-15(21)11(9-12)10-19-13-2-4-14(5-3-13)20-8-7-18-16(20)22/h1-6,9-10,21H,7-8H2,(H,18,22)/f/h18H 2A020C73A13AD21C