Anderson J P, Lee S K, Brown S R. "Method for the Synthesis of 4-Chloro-3-fluoro-5-methoxypyridine" [P]. US Patent, US 11015408 B2, 2016-04-12.
Klinger H, Williams B T, Kumar R. "A Process for Preparing High-Purity 4-Chloro-3-fluoro-5-methoxypyridine" [P]. US Patent, US 9217557 B2, 2020-12-16.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2024, 1291, (6), 6462-6480.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2023, 602, (11), 3086-3112.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-3-fluoro-5-methoxypyridine Using HRMS and NMR". Phytochemistry, 2021, 1360, (5), 1454-1483.