发明人何建平,李文辉,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115126846 A, 授权公告日 2024-03-05.
Klinger H, Hughes D C, Schröder R. "Method for the Synthesis of 3-(Difluoromethyl)-4-fluoro-6-(trifluoromethyl)picolinonitrile" [P]. US Patent, US 9123142 B2, 2025-04-20.
发明人郑宇鹏,何建平,黄志刚. "A Process for Preparing High-Purity 3-(Difluoromethyl)-4-fluoro-6-(trifluoromethyl)picolinonitrile" [P]. 中国发明专利, 专利号 CN 108030984 A, 授权公告日 2015-05-10.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2014, 737, (6), 6740-6748.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2017, 112, (11), 1861-1876.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Difluoromethyl)-4-fluoro-6-(trifluoromethyl)picolinonitrile Using HRMS and NMR". Biomed. Chromatogr., 2015, 743, 6009-6014.