InChI=1/C17H18N4O/c1-20-8-10-21(11-9-20)15-7-6-14-16(19-15)12-4-2-3-5-13(12)17(22)18-14/h2-7H,8-11H2,1H3,(H,18,22)/p+1/fC17H19N4O/h18,20H/q+1 5C435D1E80C2B12C