InChI=1/C21H18N2O2/c1-14-9-11-16-5-3-7-18(20(16)22-14)24-13-25-19-8-4-6-17-12-10-15(2)23-21(17)19/h3-12H,13H2,1-2H3 4E9BF9B216A71CDE