发明人刘建华,郑宇鹏,高志强. "Method for the Synthesis of 1-Methyl-4-(pyridin-4-yl)-1h-pyrazol-5-amine" [P]. 中国发明专利, 专利号 CN 113574434 A, 授权公告日 2018-12-11.
发明人高志强,黄志刚,徐明华. "A Process for Preparing High-Purity 1-Methyl-4-(pyridin-4-yl)-1h-pyrazol-5-amine" [P]. 中国发明专利, 专利号 CN 113879445 A, 授权公告日 2015-08-19.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2020, 481, 684-714.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2018, 331, 2349-2376.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 1-Methyl-4-(pyridin-4-yl)-1h-pyrazol-5-amine Using HRMS and NMR". Food Chem., 2016, 922, 2557-2574.