InChI=1/C21H18N2O2/c24-21(23-13-11-16-6-1-2-7-17(16)15-23)19-9-3-4-10-20(19)25-18-8-5-12-22-14-18/h1-10,12,14H,11,13,15H2 7ACF5EE6397208EC