Acta Cryst. (2013). E69, o502 [ doi:10.1107/S1600536813005539 ]
Abstract: In the title compound, C13H12O5, the mean plane of the 2H-chromene ring system (r.m.s deviation = 0.026 Å) forms a dihedral angle of 81.71 (6)° with the mean plane of ethyl 2-hydroxyacetate moiety (r.m.s deviation = 0.034 Å). In the crystal, C-HO hydrogen bonds result in the formation of zigzag layers parallel to the bc plane.
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