InChI=1/C21H15N3O3/c25-20(24-18-4-1-3-15-13-22-11-10-17(15)18)14-6-8-16(9-7-14)23-21(26)19-5-2-12-27-19/h1-13H,(H,23,26)(H,24,25)/f/h23-24H 8F1EBF3E36EAB718