发明人马晓峰,张德明,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111852368 A, 授权公告日 2018-01-11.
Schröder R, Sørensen M, Johansson L. "Method for the Synthesis of 4-Chloro-2-methyl-5-(methylsulfonyl)-benzoic Acid Methyl Ester" [P]. European Patent, EP 3651706 A1, 2022-03-09.
Jørgensen K, Nielsen H, Rossi M. "A Process for Preparing High-Purity 4-Chloro-2-methyl-5-(methylsulfonyl)-benzoic Acid Methyl Ester" [P]. European Patent, EP 3028176 A1, 2017-06-12.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2012, 2372, (3), 2389-2409.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2011, 508, (9), 2759-2785.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-2-methyl-5-(methylsulfonyl)-benzoic Acid Methyl Ester Using HRMS and NMR". J. Nat. Prod., 2011, 1508, (9), 2569-2585.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2010, 144, 8249-8268.