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Molecules of the title compound, C5H6O4, form extended tapes via O—H...O interactions. The tapes assemble via C—H...O interactions giving rise to planar sheets.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablocks i, global

hkl

Structure factor file (CIF format)
Contains datablock e041

CCDC reference: 129540

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