InChI=1/C18H19BrN4O3/c19-14-5-1-12(2-6-14)9-23(10-16(20)24)11-17(25)22-15-7-3-13(4-8-15)18(21)26/h1-8H,9-11H2,(H2,20,24)(H2,21,26)(H,22,25)/p+1/fC18H20BrN4O3/h22-23H,20-21H2/q+1 AF13230FA25BF0D8