发明人唐晓军,黄志刚,冯建国. "Method for the Synthesis of 1-(4-Dimethylamino-phenyl)-5-oxo-pyrrolidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115502915 A, 授权公告日 2019-06-16.
发明人沈红梅,韩伟,李文辉. "A Process for Preparing High-Purity 1-(4-Dimethylamino-phenyl)-5-oxo-pyrrolidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112529535 B, 授权公告日 2024-06-14.
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