发明人郑宇鹏,张德明,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111847645 A, 授权公告日 2018-05-25.
发明人马晓峰,杨光,胡光. "Method for the Synthesis of Ethyl 5-(chlorosulfonyl)-1-methyl-1h-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 111834210 B, 授权公告日 2020-04-20.
发明人朱建伟,钱学锋,徐明华. "A Process for Preparing High-Purity Ethyl 5-(chlorosulfonyl)-1-methyl-1h-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 112896229 B, 授权公告日 2020-06-05.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2019, 1403, (10), 4810-4818.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2015, 1514, 9917-9938.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-(chlorosulfonyl)-1-methyl-1h-pyrazole-4-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2025, 566, 4293-4314.