2,3,4-Trihydroxy-benzaldehyde.
The title compound, C(7)H(6)O(4), crystallizes with two independent mol-ecules in the asymmetric unit. In both mol-ecules, the 2-hydr-oxy group is bound via intra-molecular hydrogen bonds to the aldehyde group. The mol-ecules inter-act through O-H⋯O hydrogen bonds to form a three-dimensional network...
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International Union of Crystallography
2008
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