InChI=1/C21H20N4O/c1-4-14-6-5-7-15(12-14)19-20(24(2)25(3)21(19)26)16-8-9-17-18(13-16)23-11-10-22-17/h5-13H,4H2,1-3H3 057BB2C54DED3A17