发明人冯建国,刘建华,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108580935 A, 授权公告日 2018-02-09.
Johansson L, Jørgensen K, Lefèvre J P. "Method for the Synthesis of 1,4-Dimethyl-3-(p-tolyl)-1h-pyrazol-5-amine" [P]. European Patent, EP 3456756 A1, 2017-02-04.
发明人张德明,陈志强,何建平. "A Process for Preparing High-Purity 1,4-Dimethyl-3-(p-tolyl)-1h-pyrazol-5-amine" [P]. 中国发明专利, 专利号 CN 115905284 B, 授权公告日 2015-07-02.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2018, 478, (6), 1988-2011.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2025, 1148, (1), 5220-5243.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 1,4-Dimethyl-3-(p-tolyl)-1h-pyrazol-5-amine Using HRMS and NMR". Anal. Methods, 2016, 2428, (1), 9741-9761.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2013, 1004, (12), 7562-7591.