In the title compound, 2CHNO·CO , proton transfer from oxalic acid to the N atom of the heterocycle has occurred to form a 2:1 molecular salt. In the extended structure, N-H⋯O hydrogen bonds link the components into [100] chains, which feature (8) and (14) loops.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10842273 | PMC |
http://dx.doi.org/10.1107/S2414314624000336 | DOI Listing |
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