InChI=1/C18H19BrN4O3/c1-23(11-16(24)20-15-10-6-5-9-14(15)19)12-17(25)21-22-18(26)13-7-3-2-4-8-13/h2-10H,11-12H2,1H3,(H,20,24)(H,21,25)(H,22,26)/p+1/fC18H20BrN4O3/h20-23H/q+1 5992681403CF7583