发明人胡光,何建平,高志强. "Method for the Synthesis of Ethyl 4-(difluoromethoxy)benzoate" [P]. 中国发明专利, 专利号 CN 114756707 A, 授权公告日 2022-04-02.
Roberts E F, Fischer A B, Hughes D C. "A Process for Preparing High-Purity Ethyl 4-(difluoromethoxy)benzoate" [P]. US Patent, US 11887683 B2, 2017-06-22.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2013, 2298, 7255-7261.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2012, 177, (2), 7592-7602.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-(difluoromethoxy)benzoate Using HRMS and NMR". Anal. Methods, 2025, 230, 1307-1322.