发明人冯建国,杨光,刘建华. "Method for the Synthesis of 3,5-Difluoro-4-(trifluoromethyl)benzonitrile" [P]. 中国发明专利, 专利号 CN 114632083 B, 授权公告日 2020-05-27.
发明人沈红梅,王建平,冯建国. "A Process for Preparing High-Purity 3,5-Difluoro-4-(trifluoromethyl)benzonitrile" [P]. 中国发明专利, 专利号 CN 111710341 B, 授权公告日 2017-07-28.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2011, 2045, (2), 8129-8147.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2020, 188, (3), 3725-3751.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 3,5-Difluoro-4-(trifluoromethyl)benzonitrile Using HRMS and NMR". Talanta, 2017, 1217, (10), 4100-4108.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2014, 784, 2193-2213.