发明人郑宇鹏,王建平,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115752648 A, 授权公告日 2021-07-11.
Hughes D C, Kumar R, O'Brien P Q. "Method for the Synthesis of Ethyl 4-chloro-5-methoxypicolinate" [P]. US Patent, US 11237412 B2, 2022-01-17.
发明人林芳,沈红梅,唐晓军. "A Process for Preparing High-Purity Ethyl 4-chloro-5-methoxypicolinate" [P]. 中国发明专利, 专利号 CN 108739871 A, 授权公告日 2015-01-14.
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 in Pharmaceutical Formulations". Anal. Chim. Acta, 2016, 172, (7), 2302-2309.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2025, 215, (2), 6615-6630.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-chloro-5-methoxypicolinate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2022, 963, (4), 6105-6121.