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)/f/h22H,20-21H2 F8AED0B2A5154013