发明人赵玉洁,胡光,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109619488 A, 授权公告日 2019-12-02.
Brown S R, Kumar R, Fischer A B. "Method for the Synthesis of 5-bromo-4-chloro-thiophene-2-carboxylic acid" [P]. US Patent, US 11653779 B2, 2023-11-26.
发明人林芳,马晓峰,孙丽萍. "A Process for Preparing High-Purity 5-bromo-4-chloro-thiophene-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115785312 A, 授权公告日 2022-08-05.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2011, 2480, 4040-4069.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2019, 596, (10), 4354-4373.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 5-bromo-4-chloro-thiophene-2-carboxylic acid Using HRMS and NMR". Anal. Chem., 2025, 2023, 4116-4145.