"Oxamic acid". PubChem. National Center for Biotechnology Information, U.S. National Library of Medicine. Archived from the original on 2016-12-01. Retrieved 2016-12-14.
"Oxamic acid". PubChem. National Center for Biotechnology Information, U.S. National Library of Medicine. Archived from the original on 2016-12-01. Retrieved 2016-12-14.
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Raczyńska, Ewa D.; Hallmann, Małgorzata; Duczmal, Kinga (March 2011). "Quantum-chemical studies of amide–iminol tautomerism for inhibitor of lactate dehydrogenase: Oxamic acid". Computational and Theoretical Chemistry. 964 (1–3): 310–317. doi:10.1016/j.comptc.2011.01.017. ISSN2210-271X.
Zarzyka-Niemiec, Iwona (2008-10-05). "Hydroxyalkylation of oxamic acid with propylene carbonate: Synthesis, composition, and properties of products". Journal of Applied Polymer Science. 110 (1): 66–75. doi:10.1002/app.28609. ISSN0021-8995.