发明人马晓峰,郑宇鹏,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111517306 A, 授权公告日 2023-03-15.
发明人韩伟,黄志刚,胡光. "Method for the Synthesis of N,N-Diethyl-1-(1-methyl-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine-3-carbonyl)piperidine-3-carboxamide hydrochloride" [P]. 中国发明专利, 专利号 CN 109699117 B, 授权公告日 2021-10-14.
Nowak P, Mueller T C, Lefèvre J P. "A Process for Preparing High-Purity N,N-Diethyl-1-(1-methyl-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine-3-carbonyl)piperidine-3-carboxamide hydrochloride" [P]. European Patent, EP 3275218 A1, 2022-04-17.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2019, 965, (7), 2115-2121.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2017, 1457, (2), 3492-3516.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of N,N-Diethyl-1-(1-methyl-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine-3-carbonyl)piperidine-3-carboxamide hydrochloride Using HRMS and NMR". Environ. Sci. Technol., 2012, 762, 2759-2766.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2015, 1837, 8748-8773.