InChI=1/C14H19BrN4O2/c15-10-2-1-9(6-18-11-3-4-11)12(5-10)19(7-13(16)20)8-14(17)21/h1-2,5,11,18H,3-4,6-8H2,(H2,16,20)(H2,17,21)/p+1/fC14H20BrN4O2/h18H,16-17H2/q+1 389FA680F50D2E85