发明人周伟,林芳,沈红梅. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111003390 A, 授权公告日 2020-09-27.
Lee S K, Johnson M A, Klinger H. "Method for the Synthesis of N-(3,5-Difluorobenzyl)-1-(2-fluoroethyl)-5-methyl-1H-pyrazol-4-amine hydrochloride" [P]. US Patent, US 10913913 B2, 2016-02-04.
发明人罗永刚,胡光,黄志刚. "A Process for Preparing High-Purity N-(3,5-Difluorobenzyl)-1-(2-fluoroethyl)-5-methyl-1H-pyrazol-4-amine hydrochloride" [P]. 中国发明专利, 专利号 CN 113015548 A, 授权公告日 2015-01-24.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2018, 1095, (9), 4609-4631.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2015, 744, (3), 3008-3015.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of N-(3,5-Difluorobenzyl)-1-(2-fluoroethyl)-5-methyl-1H-pyrazol-4-amine hydrochloride Using HRMS and NMR". Anal. Chim. Acta, 2011, 1991, (6), 8486-8506.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2011, 2254, (12), 8879-8901.