Acta Cryst. (2013). E69, o273-o274 [ doi:10.1107/S160053681300144X ]
Abstract: The asymmetric unit of the title compound, C17H15NO4, contains two independent molecules with similar geometric parameters. In both molecules, the conformation of the cyclohexene ring is half-chair, while the pyrrolidinone ring adopts an envelope conformation with the -carbon atom of the -pyrrolidinone ring as the flap. In the crystal, O-HO hydrogen bonds between the carboxylic and carbonyl groups link alternate independent molecules into chains propagating in the b-axis direction. The crystal packing also features weak C-H interactions.
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