Fischer A B, Chen K W, Schröder R. "一种的合成方法" [P]. US Patent, US 10364329 B2, 2024-06-04.
发明人杨光,唐晓军,郭海燕. "Method for the Synthesis of 7-Chloro-2-methyl-5-oxo-N-(pyridin-4-yl)-5H-chromeno[2,3-b]pyridine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 115536526 B, 授权公告日 2023-02-19.
Patel M V, O'Brien P Q, Thompson G K. "A Process for Preparing High-Purity 7-Chloro-2-methyl-5-oxo-N-(pyridin-4-yl)-5H-chromeno[2,3-b]pyridine-3-carboxamide" [P]. US Patent, US 11671691 B2, 2018-11-23.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2017, 363, 3108-3127.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2016, 600, (7), 3123-3133.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 7-Chloro-2-methyl-5-oxo-N-(pyridin-4-yl)-5H-chromeno[2,3-b]pyridine-3-carboxamide Using HRMS and NMR". Environ. Sci. Technol., 2020, 1022, 4749-4760.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2013, 1755, (8), 6452-6480.