ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE, cilt.63, 2007 (SCI-Expanded)
The molecule of the title compound, C15H12N2O4, is planar, with a dihedral angle of 0.97(4)degrees between the planes of the five-membered imidazolidine and benzopyran ring systems. The crystal structure is stabilized by C-H center dot center dot center dot O and N-H center dot center dot center dot O hydrogen-bonding interactions.