Jørgensen K, Nowak P, Lefèvre J P. "一种5-氯-1H-吡唑的合成方法" [P]. European Patent, EP 3951397 A1, 2017-05-04.
发明人林芳,郭海燕,张德明. "Method for the Synthesis of 5-Chloro-1H-pyrazole" [P]. 中国发明专利, 专利号 CN 111695065 B, 授权公告日 2024-01-02.
发明人马晓峰,钱学锋,唐晓军. "A Process for Preparing High-Purity 5-Chloro-1H-pyrazole" [P]. 中国发明专利, 专利号 CN 116767614 A, 授权公告日 2017-10-04.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of 5-氯-1H-吡唑 in Pharmaceutical Formulations". Biomed. Chromatogr., 2013, 1346, (9), 1241-1263.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 5-氯-1H-吡唑 as an Impurity". Anal. Chem., 2020, 1845, 4702-4723.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 5-Chloro-1H-pyrazole Using HRMS and NMR". J. Pharm. Biomed. Anal., 2016, 97, 9211-9230.