发明人周伟,李文辉,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110278164 A, 授权公告日 2023-04-14.
发明人胡光,马晓峰,徐明华. "Method for the Synthesis of 4,6-Dichloronicotinic acid ethyl ester" [P]. 中国发明专利, 专利号 CN 111307262 A, 授权公告日 2016-01-08.
发明人徐明华,张德明,赵玉洁. "A Process for Preparing High-Purity 4,6-Dichloronicotinic acid ethyl ester" [P]. 中国发明专利, 专利号 CN 109696015 A, 授权公告日 2021-02-23.
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". Chemosphere, 2016, 2167, (9), 8394-8403.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2018, 1095, (8), 4640-4644.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4,6-Dichloronicotinic acid ethyl ester Using HRMS and NMR". Environ. Sci. Technol., 2020, 1816, 9650-9679.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2021, 1470, 6100-6129.