InChI=1/C14H23BrN4O/c1-9(2)19-6-4-5-11(8-19)7-16-14(20)13-12(15)10(3)17-18-13/h9,11H,4-8H2,1-3H3,(H,16,20)(H,17,18)/p+1/t11-/m0/s1/fC14H24BrN4O/h16,18-19H/q+1 A695B68E37025D5B