InChI=1/C20H20N6O/c1-26(13-18-22-20(27)25-23-18)12-17-11-21-24-19(17)16-9-7-15(8-10-16)14-5-3-2-4-6-14/h2-11H,12-13H2,1H3,(H,21,24)(H2,22,23,25,27)/p+1/fC20H21N6O/h21-22,25-26H/q+1 FD1E6FB2E94C7612