发明人何建平,马晓峰,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110699983 A, 授权公告日 2025-09-12.
发明人冯建国,王建平,胡光. "Method for the Synthesis of tert-Butyl 8-(difluoromethyl)-2,6-diazaspiro[3.4]octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 115623685 B, 授权公告日 2022-06-20.
发明人陈志强,郭海燕,唐晓军. "A Process for Preparing High-Purity tert-Butyl 8-(difluoromethyl)-2,6-diazaspiro[3.4]octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 108552053 A, 授权公告日 2018-01-11.
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