发明人徐明华,郭海燕,马晓峰. "Method for the Synthesis of 5-(Bromodifluoromethyl)-3-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-1,2,4-oxadiazole" [P]. 中国发明专利, 专利号 CN 108826667 B, 授权公告日 2020-05-02.
Hughes D C, Lee S K, Yamamoto T. "A Process for Preparing High-Purity 5-(Bromodifluoromethyl)-3-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-1,2,4-oxadiazole" [P]. US Patent, US 11750328 B2, 2018-07-02.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2010, 1138, 756-766.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2013, 2387, (7), 6991-7005.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 5-(Bromodifluoromethyl)-3-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-1,2,4-oxadiazole Using HRMS and NMR". Biomed. Chromatogr., 2017, 295, 2272-2300.