InChI=1/C21H18N2O2/c24-21(23-14-12-16-7-4-5-8-17(16)15-23)19-11-6-13-22-20(19)25-18-9-2-1-3-10-18/h1-11,13H,12,14-15H2 71E38EDE75824C4D