InChI=1/C15H19BrN4O/c1-21-12-7-6-10(8-11(12)16)13-14(17)20(18)15(19-13)9-4-2-3-5-9/h6-9H,2-5,17-18H2,1H3/p+1/fC15H20BrN4O/h19H/q+1 59394EB6AFE5F97E