发明人孙丽萍,沈红梅,王建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109024491 A, 授权公告日 2021-08-06.
发明人徐明华,罗永刚,唐晓军. "Method for the Synthesis of 5-Bromo-1,3-dimethyl-1H-pyrazolehydrochloride" [P]. 中国发明专利, 专利号 CN 109265547 A, 授权公告日 2019-06-26.
发明人徐明华,黄志刚,冯建国. "A Process for Preparing High-Purity 5-Bromo-1,3-dimethyl-1H-pyrazolehydrochloride" [P]. 中国发明专利, 专利号 CN 117237702 B, 授权公告日 2019-09-16.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2018, 1495, 19-42.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2021, 687, (9), 63-85.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 5-Bromo-1,3-dimethyl-1H-pyrazolehydrochloride Using HRMS and NMR". Anal. Chim. Acta, 2017, 1772, (12), 1951-1977.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2014, 198, 4428-4440.