发明人赵玉洁,韩伟,周伟. "Method for the Synthesis of tert-Butyl 1,5-diazaspiro[3.5]nonane-5-carboxylate" [P]. 中国发明专利, 专利号 CN 112717999 B, 授权公告日 2015-01-28.
发明人张德明,朱建伟,赵玉洁. "A Process for Preparing High-Purity tert-Butyl 1,5-diazaspiro[3.5]nonane-5-carboxylate" [P]. 中国发明专利, 专利号 CN 114443159 B, 授权公告日 2017-03-21.
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