发明人赵玉洁,胡光,刘建华. "Method for the Synthesis of ethyl 5-cyano-3-methylthieno[2,3-b]pyridine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 108585364 B, 授权公告日 2015-04-04.
Lee S K, Brown S R, Davis P L. "A Process for Preparing High-Purity ethyl 5-cyano-3-methylthieno[2,3-b]pyridine-2-carboxylate" [P]. US Patent, US 11868749 B2, 2020-06-28.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of ethyl 5-cyano-3-methylthieno[2,3-b]pyridine-2-carboxylate in Pharmaceutical Formulations". Anal. Methods, 2017, 1679, (10), 258-277.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of ethyl 5-cyano-3-methylthieno[2,3-b]pyridine-2-carboxylate as an Impurity". Food Chem., 2017, 1434, (3), 3274-3291.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of ethyl 5-cyano-3-methylthieno[2,3-b]pyridine-2-carboxylate Using HRMS and NMR". Biomed. Chromatogr., 2019, 551, (7), 4900-4928.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate ethyl 5-cyano-3-methylthieno[2,3-b]pyridine-2-carboxylate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2012, 2166, (10), 4731-4734.