Williams B T, Park J H, Stevens L M. "一种的合成方法" [P]. US Patent, US 10191581 B2, 2017-06-10.
发明人李文辉,唐晓军,孙丽萍. "Method for the Synthesis of 2-Chloro-5-(difluoromethyl)-3-formylisonicotinonitrile" [P]. 中国发明专利, 专利号 CN 114787499 B, 授权公告日 2017-07-18.
发明人张德明,马晓峰,王建平. "A Process for Preparing High-Purity 2-Chloro-5-(difluoromethyl)-3-formylisonicotinonitrile" [P]. 中国发明专利, 专利号 CN 117241782 B, 授权公告日 2025-10-15.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2019, 1671, (6), 1099-1127.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2012, 123, 3269-3286.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 2-Chloro-5-(difluoromethyl)-3-formylisonicotinonitrile Using HRMS and NMR". Chemosphere, 2025, 2465, (2), 6706-6724.