InChI=1/C19H18N6/c20-9-13-10-22-17-16(13)18(24-12-23-17)25-11-19(5-7-21-8-6-19)14-3-1-2-4-15(14)25/h1-4,10,12,21H,5-8,11H2,(H,22,23,24)/p+1/fC19H19N6/h21-22H/q+1 681E9F7C0C2B41AC