发明人刘建华,孙丽萍,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111941787 A, 授权公告日 2020-10-11.
Thompson G K, Stevens L M, Brown S R. "Method for the Synthesis of 6-(Difluoromethyl)-2-methyl-3-(trifluoromethyl)pyridin-4-amine" [P]. US Patent, US 11368322 B2, 2022-10-02.
Yamamoto T, Johnson M A, Thompson G K. "A Process for Preparing High-Purity 6-(Difluoromethyl)-2-methyl-3-(trifluoromethyl)pyridin-4-amine" [P]. US Patent, US 11385225 B2, 2021-10-13.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2015, 960, (4), 6067-6075.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2022, 774, (5), 2192-2197.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 6-(Difluoromethyl)-2-methyl-3-(trifluoromethyl)pyridin-4-amine Using HRMS and NMR". Anal. Chim. Acta, 2020, 2179, (9), 5795-5809.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2024, 1870, (12), 228-243.