InChI=1/C21H20N6/c1-2-7-18-17(6-1)21(27-20(26-18)16-9-14-22-15-10-16)25-13-5-12-24-19-8-3-4-11-23-19/h1-4,6-11,14-15H,5,12-13H2,(H,23,24)(H,25,26,27)/p+1/fC21H21N6/h23-25H/q+1 FCE99B5EE4E9284A