发明人朱建伟,罗永刚,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109000006 A, 授权公告日 2022-01-04.
Davis P L, Hughes D C, Brown S R. "Method for the Synthesis of Ethyl (z)-2-chloro-2-(2-(6-methoxypyridin-3-yl)hydrazono)acetate" [P]. US Patent, US 10416809 B2, 2017-02-10.
发明人胡光,朱建伟,冯建国. "A Process for Preparing High-Purity Ethyl (z)-2-chloro-2-(2-(6-methoxypyridin-3-yl)hydrazono)acetate" [P]. 中国发明专利, 专利号 CN 114580397 B, 授权公告日 2025-04-04.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2016, 1594, 8549-8578.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2017, 2445, (9), 4113-4139.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl (z)-2-chloro-2-(2-(6-methoxypyridin-3-yl)hydrazono)acetate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2022, 792, 2488-2510.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2021, 2027, 557-561.