发明人沈红梅,高志强,朱建伟. "Method for the Synthesis of tert-Butyl 2,7-diazaspiro[4.4]nonane-2-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 112701969 B, 授权公告日 2022-01-08.
发明人李文辉,陈志强,沈红梅. "A Process for Preparing High-Purity tert-Butyl 2,7-diazaspiro[4.4]nonane-2-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 108750104 A, 授权公告日 2018-06-27.
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