发明人李文辉,孙丽萍,高志强. "Method for the Synthesis of Tert-butyl 8-hydroxy-2,5-diazaspiro[3.5]Nonane-5-carboxylate" [P]. 中国发明专利, 专利号 CN 114478104 A, 授权公告日 2019-09-13.
发明人周伟,胡光,陈志强. "A Process for Preparing High-Purity Tert-butyl 8-hydroxy-2,5-diazaspiro[3.5]Nonane-5-carboxylate" [P]. 中国发明专利, 专利号 CN 109278415 A, 授权公告日 2023-06-09.
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