InChI=1/C21H20N4O2/c1-13-8-9-16-15(11-27-20(16)14(13)2)10-19(26)23-18-7-5-4-6-17(18)21-24-22-12-25(21)3/h4-9,11-12H,10H2,1-3H3,(H,23,26)/f/h23H 1C82FCBA0D66FE1C