InChI=1/C21H14N2O/c24-21-19-15(10-22-21)17-12-6-2-1-5-11(12)9-14(17)20-18(19)13-7-3-4-8-16(13)23-20/h1-8,23H,9-10H2,(H,22,24)/f/h22H 48A513FB17091518