InChI=1/C14H23BrN4O/c1-9-6-10(2)8-19(7-9)5-4-16-14(20)13-12(15)11(3)17-18-13/h9-10H,4-8H2,1-3H3,(H,16,20)(H,17,18)/p+1/t9-,10+/fC14H24BrN4O/h16-17,19H/q+1 760E48B568F9E6AF