InChI=1/C20H22N6O/c21-20(27)9-11-25-14-15(16-5-1-3-7-18(16)25)13-22-10-12-26-19-8-4-2-6-17(19)23-24-26/h1-8,14,22H,9-13H2,(H2,21,27)/p+1/fC20H23N6O/h22H,21H2/q+1 90C1E2D453FF74A7