发明人马晓峰,沈红梅,李文辉. "Method for the Synthesis of 2'-Methoxy-2-methyl-[1,1'-biphenyl]-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117986055 A, 授权公告日 2018-05-04.
发明人郑宇鹏,林芳,陈志强. "A Process for Preparing High-Purity 2'-Methoxy-2-methyl-[1,1'-biphenyl]-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109337516 A, 授权公告日 2023-02-13.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2010, 1746, (10), 3738-3753.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2010, 1001, (3), 7397-7405.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 2'-Methoxy-2-methyl-[1,1'-biphenyl]-3-carboxylic acid Using HRMS and NMR". Biomed. Chromatogr., 2023, 369, 2149-2171.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2022, 642, 2412-2438.