发明人徐明华,周伟,李文辉. "Method for the Synthesis of 4-Oxo-4-(propylamino)butyric Acid" [P]. 中国发明专利, 专利号 CN 110311929 A, 授权公告日 2024-07-28.
发明人马晓峰,唐晓军,韩伟. "A Process for Preparing High-Purity 4-Oxo-4-(propylamino)butyric Acid" [P]. 中国发明专利, 专利号 CN 110740900 A, 授权公告日 2022-01-21.
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