发明人林芳,罗永刚,朱建伟. "Method for the Synthesis of Tert-butyl 11,11-difluoro-2,8-diazaspiro[5.5]Undecane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 115098582 A, 授权公告日 2018-09-21.
发明人郑宇鹏,郭海燕,朱建伟. "A Process for Preparing High-Purity Tert-butyl 11,11-difluoro-2,8-diazaspiro[5.5]Undecane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 115466437 A, 授权公告日 2022-11-21.
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