InChI=1/C17H18N4O/c1-21(2)13-9-7-12(8-10-13)19-17(22)20-16-11-18-15-6-4-3-5-14(15)16/h3-10H,11H2,1-2H3,(H2,19,20,22)/p+1/fC17H19N4O/h18-20H/q+1 840C70FECA4422B9