InChI=1/C18H15BrN4O2/c1-3-25-13-7-5-4-6-11(13)16-21-17-15(18(24)22-16)20-14-9-8-12(19)10(2)23(14)17/h4-9H,3H2,1-2H3,(H,21,22,24)/f/h22H 434FFE44D5591D26