发明人李文辉,韩伟,冯建国. "Method for the Synthesis of trifluoroacetic acid methyl 5-methyl-3H-imidazo[4,5-b]pyridine-7-carboxylate" [P]. 中国发明专利, 专利号 CN 114396567 A, 授权公告日 2025-10-25.
发明人林芳,韩伟,赵玉洁. "A Process for Preparing High-Purity trifluoroacetic acid methyl 5-methyl-3H-imidazo[4,5-b]pyridine-7-carboxylate" [P]. 中国发明专利, 专利号 CN 110141750 B, 授权公告日 2018-08-23.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of trifluoroacetic acid methyl 5-methyl-3H-imidazo[4,5-b]pyridine-7-carboxylate in Pharmaceutical Formulations". Biomed. Chromatogr., 2014, 2182, (9), 7977-8005.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of trifluoroacetic acid methyl 5-methyl-3H-imidazo[4,5-b]pyridine-7-carboxylate as an Impurity". J. Chromatogr. A, 2015, 1952, 7981-8011.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of trifluoroacetic acid methyl 5-methyl-3H-imidazo[4,5-b]pyridine-7-carboxylate Using HRMS and NMR". J. Agric. Food Chem., 2012, 1111, 5627-5644.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate trifluoroacetic acid methyl 5-methyl-3H-imidazo[4,5-b]pyridine-7-carboxylate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2025, 1900, (9), 7091-7099.