发明人徐明华,马晓峰,张德明. "Method for the Synthesis of Ethyl 5-chloro-1-methyl-6-oxo-1,6-dihydropyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109568146 A, 授权公告日 2025-10-15.
发明人马晓峰,朱建伟,杨光. "A Process for Preparing High-Purity Ethyl 5-chloro-1-methyl-6-oxo-1,6-dihydropyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111527753 B, 授权公告日 2021-09-01.
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