ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS, vol.63, 2007 (SCI-Expanded)
In the nonplanar title compound, C18H14O4, the dihedral angle between the isochromene and benzene ring systems is 83.32(6)degrees. The crystal structure is stabilized by intra- and intermolecular C-H center dot center dot center dot O interactions, the latter resulting in centrosymmetric dimers.