InChI=1/C18H20N4/c1-2-4-14(5-3-1)12-22-9-8-17(13-22)20-16-6-7-18-15(10-16)11-19-21-18/h1-7,10-11,17,20H,8-9,12-13H2,(H,19,21)/p+1/t17-/m0/s1/fC18H21N4/h19,22H/q+1 65C211ED0E219073