Park J H, Yamamoto T, Johnson M A. "Method for the Synthesis of 1,5-Dimethyl-1H-pyrazol-3-amine dihydrochloride" [P]. US Patent, US 9455977 B2, 2021-09-24.
发明人黄志刚,冯建国,王建平. "A Process for Preparing High-Purity 1,5-Dimethyl-1H-pyrazol-3-amine dihydrochloride" [P]. 中国发明专利, 专利号 CN 111125069 B, 授权公告日 2020-06-27.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2018, 2165, (10), 1330-1350.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2018, 1459, (4), 6794-6818.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 1,5-Dimethyl-1H-pyrazol-3-amine dihydrochloride Using HRMS and NMR". J. Sep. Sci., 2016, 163, 1954-1961.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2010, 950, 8807-8818.