Pipemidic acid, [w:] ChemSpider [online], Royal Society of Chemistry, CSID: 4665 [dostęp 2020-02-19](ang.).
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MasanaoM.ShimizuMasanaoM. i inni, Pipemidic Acid, a New Antibacterial Agent Active Against Pseudomonas aeruginosa: In Vitro Properties, „Antimicrobial Agents and Chemotherapy”, 8 (2), 1975, s. 132–138, DOI: 10.1128/aac.8.2.132, PMID: 810076, PMCID: PMC429279.