Nielsen H, Nowak P, Mueller T C. "一种的合成方法" [P]. European Patent, EP 3239434 A1, 2022-08-22.
发明人高志强,刘建华,张德明. "Method for the Synthesis of 1-Methyl-4-(thiophen-2-yl)-1h-pyrazol-5-amine" [P]. 中国发明专利, 专利号 CN 110127949 B, 授权公告日 2023-01-13.
发明人朱建伟,王建平,马晓峰. "A Process for Preparing High-Purity 1-Methyl-4-(thiophen-2-yl)-1h-pyrazol-5-amine" [P]. 中国发明专利, 专利号 CN 115434658 A, 授权公告日 2017-04-11.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2025, 2464, (9), 3431-3442.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2010, 1359, 6685-6698.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 1-Methyl-4-(thiophen-2-yl)-1h-pyrazol-5-amine Using HRMS and NMR". Biomed. Chromatogr., 2018, 640, 5784-5803.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2022, 401, (2), 1581-1603.