Johnson M A, Williams B T, Kumar R. "Method for the Synthesis of 1,5-Dimethyl-N-((1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methyl)-1H-pyrazol-4-amine hydrochloride" [P]. US Patent, US 10926534 B2, 2020-11-08.
发明人高志强,钱学锋,冯建国. "A Process for Preparing High-Purity 1,5-Dimethyl-N-((1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methyl)-1H-pyrazol-4-amine hydrochloride" [P]. 中国发明专利, 专利号 CN 108033943 B, 授权公告日 2024-07-13.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2011, 1386, (6), 4900-4924.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2014, 986, 292-306.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 1,5-Dimethyl-N-((1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methyl)-1H-pyrazol-4-amine hydrochloride Using HRMS and NMR". Talanta, 2012, 1030, 1202-1208.