InChI=1/C18H16N6/c1-12-11-16(24-23-12)21-17-14-9-5-6-10-15(14)20-18(22-17)19-13-7-3-2-4-8-13/h2-11H,1H3,(H3,19,20,21,22,23,24)/p+1/fC18H17N6/h19-21,23H/q+1 EF6AE1CC44E7BD3C