InChI=1/C21H16N4O/c22-21(26)18-13-24-19-12-15(14-8-10-23-11-9-14)6-7-17(19)20(18)25-16-4-2-1-3-5-16/h1-13H,(H2,22,26)(H,24,25)/f/h25H,22H2 955A6584A98C4208