Schröder R, Williams B T, Hughes D C. "一种的合成方法" [P]. US Patent, US 9224723 B2, 2015-10-02.
Mueller T, Park J H, Fischer A B. "Method for the Synthesis of 6-(Difluoromethyl)-3-fluoro-5-methylpicolinonitrile" [P]. US Patent, US 11004156 B2, 2016-05-15.
发明人林芳,周伟,朱建伟. "A Process for Preparing High-Purity 6-(Difluoromethyl)-3-fluoro-5-methylpicolinonitrile" [P]. 中国发明专利, 专利号 CN 116834800 B, 授权公告日 2018-02-24.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2017, 168, (10), 6515-6542.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2015, 736, 4286-4294.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 6-(Difluoromethyl)-3-fluoro-5-methylpicolinonitrile Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2021, 2412, (3), 9776-9785.