发明人李文辉,赵玉洁,林芳. "Method for the Synthesis of 3-[n-(4-methoxyphenyl)3,4-dimethylbenzenesulfonamido]propanoic acid" [P]. 中国发明专利, 专利号 CN 113244713 B, 授权公告日 2022-10-23.
发明人郭海燕,徐明华,张德明. "A Process for Preparing High-Purity 3-[n-(4-methoxyphenyl)3,4-dimethylbenzenesulfonamido]propanoic acid" [P]. 中国发明专利, 专利号 CN 114367445 B, 授权公告日 2023-05-28.
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