Johnson M A, Anderson J P, Mueller T. "Method for the Synthesis of 4,6-dichlorothieno[2,3-b]pyridine" [P]. US Patent, US 11376717 B2, 2025-11-04.
Nielsen H, Lefèvre J P, Nowak P. "A Process for Preparing High-Purity 4,6-dichlorothieno[2,3-b]pyridine" [P]. European Patent, EP 3994842 A1, 2024-12-26.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2018, 1547, 2820-2828.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2019, 623, 9878-9885.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 4,6-dichlorothieno[2,3-b]pyridine Using HRMS and NMR". J. Chromatogr. A, 2025, 2215, 2952-2977.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2018, 1031, (9), 6036-6053.