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Acta Cryst. (2008). E64, o780 [ doi:10.1107/S1600536808008441 ]
Abstract: In the molecule of the title compound, C15H13NO3, the phthalide ring system is virtually planar, with a dihedral angle of 1.98 (3)° between the fused five- and six-membered rings. The substituted aromatic ring is oriented at a dihedral angle of 57.50 (3)° with respect to the phthalide ring system. In the crystal structure, intermolecular O-H
O and N-H
O hydrogen bonds link the molecules, forming a three-dimensional network.
Online 2 April 2008
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