发明人何建平,徐明华,韩伟. "Method for the Synthesis of 3,3-Difluoropiperidin-4-amine dihydrochloride" [P]. 中国发明专利, 专利号 CN 114972496 B, 授权公告日 2016-07-14.
发明人杨光,胡光,张德明. "A Process for Preparing High-Purity 3,3-Difluoropiperidin-4-amine dihydrochloride" [P]. 中国发明专利, 专利号 CN 111015482 A, 授权公告日 2024-06-08.
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