发明人韩伟,何建平,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110872914 A, 授权公告日 2016-05-24.
发明人钱学锋,马晓峰,郑宇鹏. "Method for the Synthesis of 2-(Difluoromethyl)-3-fluoro-4-methylpyridine-5-acetonitrile" [P]. 中国发明专利, 专利号 CN 113730070 A, 授权公告日 2021-02-09.
发明人孙丽萍,周伟,马晓峰. "A Process for Preparing High-Purity 2-(Difluoromethyl)-3-fluoro-4-methylpyridine-5-acetonitrile" [P]. 中国发明专利, 专利号 CN 109051955 B, 授权公告日 2019-06-11.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2019, 1696, 8983-9011.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2014, 337, (8), 8616-8646.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-3-fluoro-4-methylpyridine-5-acetonitrile Using HRMS and NMR". J. Nat. Prod., 2023, 772, 4875-4904.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2011, 2351, (10), 3042-3072.