发明人胡光,郭海燕,张德明. "Method for the Synthesis of ethyl 2,2-difluoro-2-(2-methoxypyridin-4-yl)acetate" [P]. 中国发明专利, 专利号 CN 109327424 B, 授权公告日 2023-09-21.
发明人何建平,钱学锋,冯建国. "A Process for Preparing High-Purity ethyl 2,2-difluoro-2-(2-methoxypyridin-4-yl)acetate" [P]. 中国发明专利, 专利号 CN 110773549 A, 授权公告日 2020-10-13.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of ethyl 2,2-difluoro-2-(2-methoxypyridin-4-yl)acetate in Pharmaceutical Formulations". Anal. Chim. Acta, 2021, 678, (3), 331-348.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of ethyl 2,2-difluoro-2-(2-methoxypyridin-4-yl)acetate as an Impurity". Anal. Chem., 2025, 183, (12), 2311-2341.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of ethyl 2,2-difluoro-2-(2-methoxypyridin-4-yl)acetate Using HRMS and NMR". Environ. Sci. Technol., 2025, 289, 9722-9733.