Nowak P, Kowalski A, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3947258 A1, 2018-01-21.
发明人唐晓军,沈红梅,杨光. "Method for the Synthesis of 4-(Difluoromethyl)-5-(fluoromethyl)picolinonitrile" [P]. 中国发明专利, 专利号 CN 109390562 A, 授权公告日 2021-12-23.
发明人韩伟,罗永刚,徐明华. "A Process for Preparing High-Purity 4-(Difluoromethyl)-5-(fluoromethyl)picolinonitrile" [P]. 中国发明专利, 专利号 CN 112284993 B, 授权公告日 2024-07-06.
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". Chromatographia, 2013, 257, (9), 521-547.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2014, 583, (8), 7689-7700.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Difluoromethyl)-5-(fluoromethyl)picolinonitrile Using HRMS and NMR". J. Pharm. Biomed. Anal., 2019, 606, (3), 9334-9362.