Park J H, Hughes D C, Johnson M A. "一种的合成方法" [P]. US Patent, US 9208333 B2, 2021-11-10.
发明人林芳,马晓峰,何建平. "Method for the Synthesis of n-(1-Ethyl-1h-pyrazol-4-yl)piperidine-4-carboxamide dihydrochloride" [P]. 中国发明专利, 专利号 CN 111621507 A, 授权公告日 2017-12-20.
发明人杨光,王建平,徐明华. "A Process for Preparing High-Purity n-(1-Ethyl-1h-pyrazol-4-yl)piperidine-4-carboxamide dihydrochloride" [P]. 中国发明专利, 专利号 CN 108280514 A, 授权公告日 2019-06-16.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2010, 839, 5979-5988.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2010, 1280, 917-921.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of n-(1-Ethyl-1h-pyrazol-4-yl)piperidine-4-carboxamide dihydrochloride Using HRMS and NMR". Anal. Methods, 2024, 815, 48-62.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2022, 2454, (4), 3162-3182.