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发明人郭海燕,杨光,马晓峰. "Method for the Synthesis of 3-(N,3-dimethylthiophene-2-carboxamido)-2-methylpropanoic acid" [P]. 中国发明专利, 专利号 CN 116827582 B, 授权公告日 2023-04-03.
发明人胡光,李文辉,冯建国. "A Process for Preparing High-Purity 3-(N,3-dimethylthiophene-2-carboxamido)-2-methylpropanoic acid" [P]. 中国发明专利, 专利号 CN 115945039 A, 授权公告日 2022-04-16.
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