Nowak P, Jørgensen K, Schröder R. "一种的合成方法" [P]. European Patent, EP 3458049 A1, 2017-04-12.
Jørgensen K, Björnsson E, Mueller T C. "Method for the Synthesis of 2,4-Difluoro-5-methylbenzotrifluoride" [P]. European Patent, EP 3062306 A1, 2017-07-17.
发明人韩伟,张德明,沈红梅. "A Process for Preparing High-Purity 2,4-Difluoro-5-methylbenzotrifluoride" [P]. 中国发明专利, 专利号 CN 116289854 B, 授权公告日 2023-11-01.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2021, 637, 4705-4717.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2019, 2387, 4961-4970.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 2,4-Difluoro-5-methylbenzotrifluoride Using HRMS and NMR". Anal. Chem., 2023, 2069, 2015-2044.