发明人周伟,黄志刚,林芳. "Method for the Synthesis of Tert-butyl 5-(hydroxymethyl)-7-oxo-2,6-diazaspiro[3.4]Octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 108273686 B, 授权公告日 2016-07-02.
发明人唐晓军,冯建国,郭海燕. "A Process for Preparing High-Purity Tert-butyl 5-(hydroxymethyl)-7-oxo-2,6-diazaspiro[3.4]Octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 116494354 B, 授权公告日 2022-03-10.
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