ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE, vol.67, 2011 (SCI-Expanded)
In the crystal of the title compound, C14H15NO4, pairs of intermolecular N-H center dot center dot center dot O hydrogen bonds link the molecules into centrosymmetric R-2(2)(10) dimers. These dimers are further connected via intermolecular C-H center dot center dot center dot O hydrogen bonds, forming a three-dimensional network. The heterocyclic ring adopts a twisted conformation.