Klinger H, Yamamoto T, Hughes D C. "一种的合成方法" [P]. US Patent, US 9058555 B2, 2019-10-05.
发明人陈志强,黄志刚,林芳. "Method for the Synthesis of 3,4-Dichloro-1H-pyrazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117397898 B, 授权公告日 2025-06-11.
发明人唐晓军,赵玉洁,陈志强. "A Process for Preparing High-Purity 3,4-Dichloro-1H-pyrazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116857554 B, 授权公告日 2022-07-19.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2021, 129, 2266-2284.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2024, 2386, (8), 7344-7365.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 3,4-Dichloro-1H-pyrazole-5-carboxylic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2016, 1185, 8119-8140.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2015, 1844, (4), 9181-9204.