发明人沈红梅,罗永刚,陈志强. "Method for the Synthesis of 2-Hydroxy-4-nitropyridine
4-Nitro-2-pyridinol
4-Nitropyrid-2-one
4487-51-8" [P]. 中国发明专利, 专利号 CN 115322374 B, 授权公告日 2021-12-08.
发明人孙丽萍,杨光,沈红梅. "A Process for Preparing High-Purity 2-Hydroxy-4-nitropyridine
4-Nitro-2-pyridinol
4-Nitropyrid-2-one
4487-51-8" [P]. 中国发明专利, 专利号 CN 114740100 B, 授权公告日 2025-09-08.
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". Biomed. Chromatogr., 2018, 1387, 6237-6241.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2020, 821, (10), 7223-7234.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 2-Hydroxy-4-nitropyridine
4-Nitro-2-pyridinol
4-Nitropyrid-2-one
4487-51-8 Using HRMS and NMR". J. Pharm. Biomed. Anal., 2013, 2380, 8994-9011.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2025, 2023, 2073-2077.