InChI=1/C20H20N4O/c1-15-6-4-8-17(12-15)23-20(25)24-18-9-5-7-16(13-18)14-22-19-10-2-3-11-21-19/h2-13H,14H2,1H3,(H,21,22)(H2,23,24,25)/p+1/fC20H21N4O/h21-24H/q+1 ED8EA2E4D2A19A78