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Figure 8
The di-periodic hydrogen-bonding network in 3,6-di­hydroxy­picolinic acid. Solid dashes represent conventional N—H⋯O and O—H⋯O hydrogen bonds while hollow dashes are weaker C—H⋯O interactions.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 59| Part 6| December 2026|
https://doi.org/10.1107/S1600576726009696