ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE, vol.61, 2005 (Journal Indexed in SCI)
The title compound, C22H14N2O3, contains three benzene rings, pairs of which form dihedral angles of 55.37 (5), 68.47 (4) and 82.82 4)°. The average C-O-C angle is 119.0 (1)°.