InChI=1/C19H18N4/c1-20-19-15-5-3-4-14-17(7-6-16(22-19)18(14)15)23(2)12-13-8-10-21-11-9-13/h3-11H,12H2,1-2H3,(H,20,22)/p+1/fC19H19N4/h20,22H/q+1 F31E20242AC175B6