InChI=1/C21H17N5O/c27-17-12-10-15(11-13-17)14-22-26-21(23-16-6-2-1-3-7-16)20-24-18-8-4-5-9-19(18)25-20/h1-14,27H,(H,23,26)(H,24,25)/b22-14-/f/h24,26H/b22-14-,23-21?	DA28A9892882B83A