InChI=1/C18H20N6/c19-9-10-24(11-17-20-13-5-1-2-6-14(13)21-17)12-18-22-15-7-3-4-8-16(15)23-18/h1-8H,9-12,19H2,(H,20,21)(H,22,23)/p+1/fC18H21N6/h20,22,24H/q+1 D6C2FA81FB2618D5