Rossi M, Lefèvre J P, Nielsen H. "一种2-{[4-(dimethylamino)phenyl]formamido}propanoic acid的合成方法" [P]. European Patent, EP 3006365 A1, 2018-04-24.
发明人马晓峰,胡光,徐明华. "Method for the Synthesis of 2-{[4-(dimethylamino)phenyl]formamido}propanoic acid" [P]. 中国发明专利, 专利号 CN 113254180 A, 授权公告日 2020-05-04.
发明人林芳,何建平,韩伟. "A Process for Preparing High-Purity 2-{[4-(dimethylamino)phenyl]formamido}propanoic acid" [P]. 中国发明专利, 专利号 CN 110873354 B, 授权公告日 2024-03-22.
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