发明人徐明华,钱学锋,杨光. "Method for the Synthesis of tert-Butyl 4,7-diazaspiro[2.5]octane-7-carboxylate, 97%" [P]. 中国发明专利, 专利号 CN 114621201 A, 授权公告日 2020-04-23.
发明人黄志刚,赵玉洁,朱建伟. "A Process for Preparing High-Purity tert-Butyl 4,7-diazaspiro[2.5]octane-7-carboxylate, 97%" [P]. 中国发明专利, 专利号 CN 116785080 A, 授权公告日 2021-10-26.
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