发明人赵玉洁,何建平,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113353252 A, 授权公告日 2022-02-01.
发明人何建平,张德明,韩伟. "Method for the Synthesis of 4-((2-Fluoro-5-(methylsulfonyl)phenyl)amino)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 113485721 A, 授权公告日 2021-12-22.
发明人张德明,赵玉洁,高志强. "A Process for Preparing High-Purity 4-((2-Fluoro-5-(methylsulfonyl)phenyl)amino)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 112839824 B, 授权公告日 2023-05-12.
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. Chromatogr. A, 2017, 1358, (11), 2529-2535.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2012, 2261, (11), 3580-3587.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 4-((2-Fluoro-5-(methylsulfonyl)phenyl)amino)-4-oxobutanoic acid Using HRMS and NMR". Anal. Chim. Acta, 2024, 2250, 6943-6963.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2017, 1553, (6), 4723-4735.