发明人孙丽萍,赵玉洁,张德明. "Method for the Synthesis of 4-Chlorosulfonyl-benzoic acid ethyl ester" [P]. 中国发明专利, 专利号 CN 110987065 A, 授权公告日 2017-09-04.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2016, 211, 3729-3742.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2010, 779, (1), 4026-4041.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chlorosulfonyl-benzoic acid ethyl ester Using HRMS and NMR". Chromatographia, 2019, 2277, (9), 3306-3327.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2023, 534, 1755-1762.