发明人马晓峰,孙丽萍,李文辉. "Method for the Synthesis of 1-(1,5-Dimethyl-1h-pyrazol-4-yl)-2-(methylamino)ethan-1-ol" [P]. 中国发明专利, 专利号 CN 109065254 A, 授权公告日 2017-06-15.
发明人孙丽萍,张德明,黄志刚. "A Process for Preparing High-Purity 1-(1,5-Dimethyl-1h-pyrazol-4-yl)-2-(methylamino)ethan-1-ol" [P]. 中国发明专利, 专利号 CN 110354523 A, 授权公告日 2021-09-22.
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". J. Nat. Prod., 2015, 1873, (1), 5107-5110.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2024, 2397, 4184-4191.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 1-(1,5-Dimethyl-1h-pyrazol-4-yl)-2-(methylamino)ethan-1-ol Using HRMS and NMR". Environ. Sci. Technol., 2023, 1121, (10), 8134-8146.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2010, 1997, (2), 728-736.