发明人钱学锋,周伟,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108273329 A, 授权公告日 2022-10-12.
Stevens L M, Park J H, Davis P L. "Method for the Synthesis of 5-(2-Fluoroethoxy)-1-methyl-1H-pyrazole-4-carboxylic acid" [P]. US Patent, US 9376437 B2, 2020-12-19.
发明人周伟,罗永刚,郑宇鹏. "A Process for Preparing High-Purity 5-(2-Fluoroethoxy)-1-methyl-1H-pyrazole-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109283148 A, 授权公告日 2024-06-22.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2017, 2379, (9), 8865-8880.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2020, 1923, 4052-4057.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 5-(2-Fluoroethoxy)-1-methyl-1H-pyrazole-4-carboxylic acid Using HRMS and NMR". Molecules, 2023, 1598, (4), 1134-1138.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2015, 1610, (1), 2947-2977.