Roberts E F, Williams B T, Klinger H. "Method for the Synthesis of 7-Chloro-5-methylthieno[3,2-b]pyridine" [P]. US Patent, US 11018073 B2, 2023-11-20.
Anderson J P, Schröder R, Mueller T. "A Process for Preparing High-Purity 7-Chloro-5-methylthieno[3,2-b]pyridine" [P]. US Patent, US 9383415 B2, 2025-08-09.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2010, 391, (12), 4041-4045.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2012, 2006, (5), 7432-7440.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 7-Chloro-5-methylthieno[3,2-b]pyridine Using HRMS and NMR". Phytochemistry, 2010, 238, (11), 4336-4361.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2016, 1458, 7309-7328.