发明人冯建国,王建平,孙丽萍. "Method for the Synthesis of 2,4-Difluoro-3-(trifluoromethoxy)benzonitrile" [P]. 中国发明专利, 专利号 CN 111147443 A, 授权公告日 2024-12-01.
发明人赵玉洁,何建平,张德明. "A Process for Preparing High-Purity 2,4-Difluoro-3-(trifluoromethoxy)benzonitrile" [P]. 中国发明专利, 专利号 CN 115337477 A, 授权公告日 2020-05-18.
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". J. Agric. Food Chem., 2018, 1452, (12), 5139-5155.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2019, 447, (7), 5299-5329.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 2,4-Difluoro-3-(trifluoromethoxy)benzonitrile Using HRMS and NMR". Phytochemistry, 2025, 604, (8), 4363-4391.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2023, 233, (6), 6473-6495.