InChI=1/C15H15BrN4O/c1-11(21)15(19-17-13-5-3-2-4-6-13)20-18-14-9-7-12(16)8-10-14/h2-10,17-18H,1H3,(H,19,20)/p+1/fC15H16BrN4O/h19-20H/q+1 E8125B43005593EA