发明人刘建华,郑宇鹏,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110675195 A, 授权公告日 2022-11-19.
发明人赵玉洁,沈红梅,胡光. "Method for the Synthesis of 4,4'-Bis(ethoxycarbonyl)-2,2'-bipyridine" [P]. 中国发明专利, 专利号 CN 109823034 A, 授权公告日 2022-01-19.
发明人唐晓军,郑宇鹏,陈志强. "A Process for Preparing High-Purity 4,4'-Bis(ethoxycarbonyl)-2,2'-bipyridine" [P]. 中国发明专利, 专利号 CN 114764361 A, 授权公告日 2020-11-09.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2024, 974, 941-953.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2024, 2237, 9724-9752.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 4,4'-Bis(ethoxycarbonyl)-2,2'-bipyridine Using HRMS and NMR". J. Pharm. Biomed. Anal., 2022, 350, 6671-6692.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2020, 1834, (11), 8640-8658.