发明人李文辉,冯建国,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110084025 A, 授权公告日 2022-03-23.
发明人李文辉,何建平,孙丽萍. "Method for the Synthesis of 1-(2-{[(Tert-butoxy)carbonyl]amino}ethyl)-5-oxopyrrolidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108605992 A, 授权公告日 2016-09-24.
发明人朱建伟,郭海燕,沈红梅. "A Process for Preparing High-Purity 1-(2-{[(Tert-butoxy)carbonyl]amino}ethyl)-5-oxopyrrolidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109796445 A, 授权公告日 2019-01-20.
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