InChI=1/C18H19BrN4O/c1-12(2)16(21-10-13-5-3-7-15(19)9-13)18-22-17(23-24-18)14-6-4-8-20-11-14/h3-9,11-12,16,21H,10H2,1-2H3/p+1/t16-/m1/s1/fC18H20BrN4O/h21H/q+1 F8E1740774EF44F0