发明人赵玉洁,张德明,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112502256 A, 授权公告日 2019-04-13.
发明人赵玉洁,周伟,黄志刚. "Method for the Synthesis of 2-Amino-4-(4-fluorophenyl)thiophene-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112985217 A, 授权公告日 2016-06-19.
发明人刘建华,孙丽萍,马晓峰. "A Process for Preparing High-Purity 2-Amino-4-(4-fluorophenyl)thiophene-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114874186 A, 授权公告日 2015-12-18.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2015, 2096, 344-358.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2013, 2037, 4841-4847.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-4-(4-fluorophenyl)thiophene-3-carboxylic acid Using HRMS and NMR". Chromatographia, 2016, 2002, 5574-5599.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2019, 1872, (7), 358-383.