发明人冯建国,赵玉洁,王建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116981687 A, 授权公告日 2017-10-04.
Kowalski A, Sørensen M, Mueller T C. "Method for the Synthesis of Ethyl 2,3-difluorobenzoate" [P]. European Patent, EP 3422546 A1, 2025-09-13.
发明人沈红梅,赵玉洁,钱学锋. "A Process for Preparing High-Purity Ethyl 2,3-difluorobenzoate" [P]. 中国发明专利, 专利号 CN 113548187 A, 授权公告日 2022-08-15.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2018, 561, (7), 5352-5371.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2022, 1132, (2), 6413-6431.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2,3-difluorobenzoate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2016, 327, (8), 4763-4790.