发明人赵玉洁,马晓峰,胡光. "Method for the Synthesis of 4-azaspiro[2.4]heptane;hydrochloride" [P]. 中国发明专利, 专利号 CN 115801365 A, 授权公告日 2017-01-22.
发明人杨光,孙丽萍,何建平. "A Process for Preparing High-Purity 4-azaspiro[2.4]heptane;hydrochloride" [P]. 中国发明专利, 专利号 CN 110073433 A, 授权公告日 2024-02-21.
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