发明人徐明华,杨光,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110419526 A, 授权公告日 2019-05-03.
发明人徐明华,刘建华,沈红梅. "Method for the Synthesis of 4-Chloro-1-ethyl-3-methyl-1h-pyrazole-5-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 111772357 A, 授权公告日 2023-07-09.
发明人胡光,郑宇鹏,陈志强. "A Process for Preparing High-Purity 4-Chloro-1-ethyl-3-methyl-1h-pyrazole-5-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 111048032 B, 授权公告日 2018-06-23.
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". Food Chem., 2016, 2421, (12), 6878-6893.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2018, 2310, (5), 3971-3990.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-1-ethyl-3-methyl-1h-pyrazole-5-sulfonyl chloride Using HRMS and NMR". Environ. Sci. Technol., 2019, 2289, (11), 1901-1911.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2020, 172, 5417-5438.