发明人陈志强,徐明华,孙丽萍. "Method for the Synthesis of Tert-butyl (S)-5-amino-7,7-difluoro-2-azaspiro[3.4]Octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 114550175 A, 授权公告日 2025-02-22.
发明人李文辉,陈志强,何建平. "A Process for Preparing High-Purity Tert-butyl (S)-5-amino-7,7-difluoro-2-azaspiro[3.4]Octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 114927704 B, 授权公告日 2020-01-06.
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