Anderson J P, O'Brien P Q, Patel M V. "Method for the Synthesis of 4-(2-Chloro-4-fluorophenyl)-4-oxobutanoic acid" [P]. US Patent, US 9703006 B2, 2017-03-12.
发明人刘建华,高志强,陈志强. "A Process for Preparing High-Purity 4-(2-Chloro-4-fluorophenyl)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 117347424 B, 授权公告日 2016-07-24.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2011, 1159, (4), 3641-3657.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2016, 1084, (1), 2692-2714.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 4-(2-Chloro-4-fluorophenyl)-4-oxobutanoic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2013, 92, (7), 2182-2208.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2022, 2301, (3), 7552-7573.