发明人杨光,郭海燕,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112044847 A, 授权公告日 2018-07-14.
发明人郑宇鹏,唐晓军,马晓峰. "Method for the Synthesis of 7-Hydroxy-8-nitro-2H-oxazolo[3,2-a]pyridin-5(3H)-one" [P]. 中国发明专利, 专利号 CN 111721364 A, 授权公告日 2016-12-15.
Lee S K, Johnson M A, Anderson J P. "A Process for Preparing High-Purity 7-Hydroxy-8-nitro-2H-oxazolo[3,2-a]pyridin-5(3H)-one" [P]. US Patent, US 9415298 B2, 2016-01-25.
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". J. Chromatogr. A, 2023, 925, 6547-6568.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2010, 1452, 6412-6435.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 7-Hydroxy-8-nitro-2H-oxazolo[3,2-a]pyridin-5(3H)-one Using HRMS and NMR". Chromatographia, 2024, 1282, (3), 4050-4056.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2025, 1852, 1874-1892.