Sørensen M, Rossi M, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3636469 A1, 2019-04-07.
发明人林芳,张德明,马晓峰. "Method for the Synthesis of 4-(4-Nitro-1H-pyrazol-1-yl)piperidine hydrochloride" [P]. 中国发明专利, 专利号 CN 115924121 B, 授权公告日 2023-07-20.
发明人李文辉,何建平,郭海燕. "A Process for Preparing High-Purity 4-(4-Nitro-1H-pyrazol-1-yl)piperidine hydrochloride" [P]. 中国发明专利, 专利号 CN 111555331 A, 授权公告日 2016-11-20.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2013, 403, (6), 6554-6578.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2017, 2097, 2728-2738.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 4-(4-Nitro-1H-pyrazol-1-yl)piperidine hydrochloride Using HRMS and NMR". Sci. Total Environ., 2016, 2335, (1), 2145-2172.