发明人沈红梅,钱学锋,朱建伟. "Method for the Synthesis of tert-Butyl (2-(2-oxa-6-azaspiro[3.3]heptan-6-yl)ethyl)carbamate" [P]. 中国发明专利, 专利号 CN 116165145 A, 授权公告日 2017-09-13.
发明人赵玉洁,黄志刚,韩伟. "A Process for Preparing High-Purity tert-Butyl (2-(2-oxa-6-azaspiro[3.3]heptan-6-yl)ethyl)carbamate" [P]. 中国发明专利, 专利号 CN 115875734 A, 授权公告日 2017-02-09.
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