Chen K W, Patel M V, Davis P L. "一种的合成方法" [P]. US Patent, US 11649682 B2, 2018-12-16.
发明人徐明华,李文辉,唐晓军. "Method for the Synthesis of Ethyl 3-(2,4-dichlorobenzamido)-2-oxo-6-(trifluoromethyl)-2H-pyran-5-carboxylate" [P]. 中国发明专利, 专利号 CN 116827797 B, 授权公告日 2015-12-21.
发明人李文辉,高志强,唐晓军. "A Process for Preparing High-Purity Ethyl 3-(2,4-dichlorobenzamido)-2-oxo-6-(trifluoromethyl)-2H-pyran-5-carboxylate" [P]. 中国发明专利, 专利号 CN 110323931 A, 授权公告日 2024-05-02.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2024, 1029, 4481-4508.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2021, 758, 3610-3614.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 3-(2,4-dichlorobenzamido)-2-oxo-6-(trifluoromethyl)-2H-pyran-5-carboxylate Using HRMS and NMR". Molecules, 2022, 1772, (8), 95-99.