InChI=1/C17H18N4O/c1-21(11-14-8-5-9-19-17(14)18)12-15-10-16(20-22-15)13-6-3-2-4-7-13/h2-10H,11-12H2,1H3,(H2,18,19)/p+1/fC17H19N4O/h19H,18H2/q+1 7F3EF086E1AD3B4A