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Here we introduce mesoionic 1,2,3\u2010triazines as a platform for stabilizing such elusive open\u2010shell anions. These compounds undergo clean and reversible one\u2010electron reduction to generate negatively charged nitrogen\u2010centered radicals, and suitable substitution enables their isolation as crystalline salts. EPR spectroscopy, single\u2010crystal x\u2010ray diffraction, and computational analysis reveal dominant nitrogen spin localization together with reduction\u2010induced structural changes consistent with occupation of a parent triazine antibonding orbital. The resulting anionic radicals display chemically clean electron\u2010transfer behavior and are reversibly oxidized to their zwitterionic precursors. These findings further highlight the potential of mesoionic 1,2,3\u2010triazines as redox\u2010active molecular platforms for applications in complex electrochemical environments.<\/jats:p>","DOI":"10.1002\/anie.3083427","type":"journal-article","created":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T08:48:44Z","timestamp":1787820524000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["A Mesoionic Platform for Persistent Anionic Nitrogen\u2010Centered Radicals"],"prefix":"10.1002","volume":"65","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3018-2584","authenticated-orcid":false,"given":"Deepak","family":"Ranolia","sequence":"first","affiliation":[{"name":"Schulich Faculty of Chemistry and Resnick Sustainability Center for Catalysis Technion\u2212Israel Institute of Technology  Haifa 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