发明人黄志刚,朱建伟,钱学锋. "Method for the Synthesis of 4,4-Difluoro-1,4'-bipiperidine dihydrochloride" [P]. 中国发明专利, 专利号 CN 114632891 B, 授权公告日 2018-04-19.
发明人韩伟,郑宇鹏,郭海燕. "A Process for Preparing High-Purity 4,4-Difluoro-1,4'-bipiperidine dihydrochloride" [P]. 中国发明专利, 专利号 CN 108257339 A, 授权公告日 2022-07-22.
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