发明人唐晓军,高志强,韩伟. "Method for the Synthesis of 5-Chloro-6-hydroxy-2-oxo-1,2-dihydropyridine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 109694159 B, 授权公告日 2020-01-20.
发明人冯建国,王建平,沈红梅. "A Process for Preparing High-Purity 5-Chloro-6-hydroxy-2-oxo-1,2-dihydropyridine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 109581913 B, 授权公告日 2020-07-24.
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