Lee S K, Schröder R, Johnson M A. "一种的合成方法" [P]. US Patent, US 10540484 B2, 2023-09-07.
发明人李文辉,徐明华,王建平. "Method for the Synthesis of 1-Methyl-5-(4-(pyridin-2-yl)piperazin-1-yl)-3-(trifluoromethyl)-1H-pyrazole-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 110370368 B, 授权公告日 2016-05-09.
发明人黄志刚,杨光,沈红梅. "A Process for Preparing High-Purity 1-Methyl-5-(4-(pyridin-2-yl)piperazin-1-yl)-3-(trifluoromethyl)-1H-pyrazole-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 115975963 A, 授权公告日 2019-06-02.
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, 2017, 1798, (11), 885-907.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2013, 461, 1034-1050.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 1-Methyl-5-(4-(pyridin-2-yl)piperazin-1-yl)-3-(trifluoromethyl)-1H-pyrazole-4-carbonitrile Using HRMS and NMR". Phytochemistry, 2020, 667, (7), 8935-8942.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2022, 876, (3), 6527-6555.