InChI=1/C15H17BrN4O/c1-11-10-12(5-6-13(11)16)20-15(21)19-9-8-18-14-4-2-3-7-17-14/h2-7,10H,8-9H2,1H3,(H,17,18)(H2,19,20,21)/p+1/fC15H18BrN4O/h17-20H/q+1 B7639DFBBF678EB4