InChI=1/C20H20N4O2/c1-14(2)19(25)22-18-13-17(20(26)21-15-9-5-3-6-10-15)23-24(18)16-11-7-4-8-12-16/h3-14H,1-2H3,(H,21,26)(H,22,25)/f/h21-22H 7232B065D25C044F