发明人黄志刚,孙丽萍,林芳. "Method for the Synthesis of 1-(Carboxymethyl)-5-oxopyrrolidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108803835 A, 授权公告日 2015-08-23.
发明人赵玉洁,李文辉,冯建国. "A Process for Preparing High-Purity 1-(Carboxymethyl)-5-oxopyrrolidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111517046 A, 授权公告日 2022-01-21.
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