Brown S R, Hughes D C, Klinger H. "一种2-(carboxymethyl)thiophene-3-carboxylic acid的合成方法" [P]. US Patent, US 11334896 B2, 2020-02-16.
发明人周伟,何建平,徐明华. "Method for the Synthesis of 2-(carboxymethyl)thiophene-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114710560 B, 授权公告日 2019-01-08.
发明人高志强,孙丽萍,杨光. "A Process for Preparing High-Purity 2-(carboxymethyl)thiophene-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110461219 A, 授权公告日 2024-09-19.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 2-(carboxymethyl)thiophene-3-carboxylic acid in Pharmaceutical Formulations". Molecules, 2023, 156, 5015-5042.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-(carboxymethyl)thiophene-3-carboxylic acid as an Impurity". Anal. Chem., 2021, 283, 2404-2422.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 2-(carboxymethyl)thiophene-3-carboxylic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2024, 1161, 1120-1134.