Hughes D C, Schröder R, Yamamoto T. "一种的合成方法" [P]. US Patent, US 10705400 B2, 2024-04-05.
发明人冯建国,郑宇鹏,李文辉. "Method for the Synthesis of Ethyl 4-hydroxy-5-nitro-6-oxo-1,6-dihydropyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 108341040 B, 授权公告日 2015-03-19.
发明人郑宇鹏,何建平,郭海燕. "A Process for Preparing High-Purity Ethyl 4-hydroxy-5-nitro-6-oxo-1,6-dihydropyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115526636 A, 授权公告日 2025-12-12.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2015, 1759, (2), 3175-3178.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2010, 1816, 9299-9314.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-hydroxy-5-nitro-6-oxo-1,6-dihydropyridine-3-carboxylate Using HRMS and NMR". Biomed. Chromatogr., 2014, 180, 9815-9824.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2014, 1036, 9267-9291.