发明人杨光,徐明华,唐晓军. "Method for the Synthesis of 3-((3,5-Difluorobenzyl)amino)-1-methyl-1H-pyrazole-5-carboxamide hydrochloride" [P]. 中国发明专利, 专利号 CN 114956301 A, 授权公告日 2019-11-27.
发明人王建平,沈红梅,赵玉洁. "A Process for Preparing High-Purity 3-((3,5-Difluorobenzyl)amino)-1-methyl-1H-pyrazole-5-carboxamide hydrochloride" [P]. 中国发明专利, 专利号 CN 113037408 B, 授权公告日 2016-07-03.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2011, 1366, (2), 8390-8402.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2016, 2071, (11), 1817-1828.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 3-((3,5-Difluorobenzyl)amino)-1-methyl-1H-pyrazole-5-carboxamide hydrochloride Using HRMS and NMR". Environ. Sci. Technol., 2010, 2169, 2648-2657.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2017, 1326, (8), 7809-7836.