Chen K W, O'Brien P Q, Roberts E F. "一种的合成方法" [P]. US Patent, US 9022453 B2, 2021-08-17.
发明人黄志刚,冯建国,胡光. "Method for the Synthesis of 7-Methoxy-3H-imidazo[4,5-b]pyridine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117779880 B, 授权公告日 2015-03-20.
发明人陈志强,孙丽萍,赵玉洁. "A Process for Preparing High-Purity 7-Methoxy-3H-imidazo[4,5-b]pyridine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109796067 B, 授权公告日 2023-06-27.
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. Sep. Sci., 2012, 2258, 7484-7508.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2022, 1568, 5119-5147.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 7-Methoxy-3H-imidazo[4,5-b]pyridine-5-carboxylic acid Using HRMS and NMR". Chemosphere, 2016, 2368, 9798-9820.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2020, 1874, (7), 9894-9915.