发明人刘建华,孙丽萍,李文辉. "Method for the Synthesis of 4-chloro-N,N-dimethylpyridine-2-carboxamide hydrochloride" [P]. 中国发明专利, 专利号 CN 115091106 A, 授权公告日 2023-06-27.
发明人冯建国,孙丽萍,徐明华. "A Process for Preparing High-Purity 4-chloro-N,N-dimethylpyridine-2-carboxamide hydrochloride" [P]. 中国发明专利, 专利号 CN 110935409 A, 授权公告日 2021-04-16.
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