发明人黄志刚,高志强,刘建华. "Method for the Synthesis of Methyl 3-chloro-1-methyl-5-sulfamoyl-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 110251830 A, 授权公告日 2015-05-07.
发明人胡光,冯建国,林芳. "A Process for Preparing High-Purity Methyl 3-chloro-1-methyl-5-sulfamoyl-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 112726158 A, 授权公告日 2019-04-01.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2025, 244, (3), 816-840.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2014, 238, (12), 6171-6201.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 3-chloro-1-methyl-5-sulfamoyl-1H-pyrazole-4-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2015, 329, 4340-4347.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2013, 1478, 2050-2054.