InChI=1/C20H16N4O/c1-24-20(15-10-6-3-7-11-15)18(16-12-13-17(25)22-21-16)19(23-24)14-8-4-2-5-9-14/h2-13H,1H3,(H,22,25)/f/h22H 3B79F6805EAE9249