发明人郑宇鹏,张德明,孙丽萍. "Method for the Synthesis of Ethyl 1-(2-chloro-2,2-difluoroacetyl)piperidine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 110268162 A, 授权公告日 2022-05-24.
发明人唐晓军,孙丽萍,沈红梅. "A Process for Preparing High-Purity Ethyl 1-(2-chloro-2,2-difluoroacetyl)piperidine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 117936753 B, 授权公告日 2018-04-11.
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