In the title compound, C(11)H(12)O(6), the aldehyde group is disordered over two sites in a 0.79:0.21 ratio. The carb-oxy-lic acid chain is found in the [ap,ap] conformation due to two intramolecular O-H⋯O hydrogen bonds.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3009170 | PMC |
http://dx.doi.org/10.1107/S1600536810043990 | DOI Listing |
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