Fischer A B, Davis P L, Roberts E F. "一种的合成方法" [P]. US Patent, US 9219110 B2, 2015-01-25.
发明人沈红梅,郑宇鹏,何建平. "Method for the Synthesis of N,N-Diethyl-7-fluoro-2-methyl-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 111481106 B, 授权公告日 2025-11-09.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2019, 1445, 5077-5088.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2021, 241, (2), 3640-3646.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of N,N-Diethyl-7-fluoro-2-methyl-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxamide Using HRMS and NMR". J. Pharm. Biomed. Anal., 2024, 1337, (2), 23-52.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2018, 900, (12), 3311-3328.