发明人杨光,胡光,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114772750 A, 授权公告日 2017-03-20.
发明人何建平,李文辉,孙丽萍. "Method for the Synthesis of 3-(1,1-Difluoroethyl)pyridin-2-amine" [P]. 中国发明专利, 专利号 CN 116589844 B, 授权公告日 2025-10-18.
发明人周伟,罗永刚,刘建华. "A Process for Preparing High-Purity 3-(1,1-Difluoroethyl)pyridin-2-amine" [P]. 中国发明专利, 专利号 CN 113195030 B, 授权公告日 2022-03-26.
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