Lee S K, Thompson G K, Roberts E F. "Method for the Synthesis of 2-(4-Oxo-5-(pyridin-3-ylmethylene)-2-thioxothiazolidin-3-yl)ethane-1-sulfonic acid" [P]. US Patent, US 9499508 B2, 2024-06-13.
发明人王建平,李文辉,唐晓军. "A Process for Preparing High-Purity 2-(4-Oxo-5-(pyridin-3-ylmethylene)-2-thioxothiazolidin-3-yl)ethane-1-sulfonic acid" [P]. 中国发明专利, 专利号 CN 115688162 A, 授权公告日 2025-12-02.
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