发明人徐明华,何建平,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115332322 A, 授权公告日 2019-05-18.
发明人黄志刚,郑宇鹏,刘建华. "Method for the Synthesis of 4-Chloro-1-isobutyl-3-methyl-1h-pyrazole-5-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 113500275 A, 授权公告日 2017-12-09.
发明人韩伟,钱学锋,郑宇鹏. "A Process for Preparing High-Purity 4-Chloro-1-isobutyl-3-methyl-1h-pyrazole-5-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 111334776 B, 授权公告日 2025-01-12.
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". Chemosphere, 2017, 271, 3463-3472.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2022, 1773, (6), 9078-9098.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-1-isobutyl-3-methyl-1h-pyrazole-5-sulfonyl chloride Using HRMS and NMR". J. Sep. Sci., 2016, 1169, 3595-3610.