Klinger H, Park J H, Yamamoto T. "一种的合成方法" [P]. US Patent, US 9963472 B2, 2021-05-17.
发明人朱建伟,马晓峰,刘建华. "Method for the Synthesis of 2,4-Difluoro-3-methoxybenzenesulfonyl chloride" [P]. 中国发明专利, 专利号 CN 115670949 B, 授权公告日 2015-12-23.
Brown S R, Thompson G K, Stevens L M. "A Process for Preparing High-Purity 2,4-Difluoro-3-methoxybenzenesulfonyl chloride" [P]. US Patent, US 9787811 B2, 2024-01-06.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2015, 2118, (9), 7651-7676.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2014, 1094, 4027-4055.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 2,4-Difluoro-3-methoxybenzenesulfonyl chloride Using HRMS and NMR". Molecules, 2016, 1561, (9), 2233-2255.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2020, 951, 7887-7897.