发明人杨光,郭海燕,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112041071 A, 授权公告日 2017-12-27.
发明人李文辉,沈红梅,马晓峰. "Method for the Synthesis of 5H-pyrano[3,4-b]pyridin-6(8H)-one" [P]. 中国发明专利, 专利号 CN 114781280 B, 授权公告日 2025-02-23.
Nielsen H, Mueller T C, Johansson L. "A Process for Preparing High-Purity 5H-pyrano[3,4-b]pyridin-6(8H)-one" [P]. European Patent, EP 3670272 A1, 2020-01-06.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2024, 1242, (6), 1116-1137.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2025, 1372, (1), 6750-6762.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 5H-pyrano[3,4-b]pyridin-6(8H)-one Using HRMS and NMR". J. Nat. Prod., 2017, 2326, (6), 5081-5096.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2013, 1239, (9), 1339-1360.