Williams B T, O'Brien P Q, Mueller T. "一种的合成方法" [P]. US Patent, US 11710044 B2, 2021-11-25.
Schröder R, Klinger H, Kumar R. "Method for the Synthesis of 2-(4-Chloro-6-(difluoromethyl)-5-methylpyridin-3-yl)acetic acid" [P]. US Patent, US 9403130 B2, 2023-06-20.
Thompson G K, Mueller T, Yamamoto T. "A Process for Preparing High-Purity 2-(4-Chloro-6-(difluoromethyl)-5-methylpyridin-3-yl)acetic acid" [P]. US Patent, US 9759590 B2, 2025-10-17.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2015, 920, (3), 11-23.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2010, 948, (10), 8822-8825.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Chloro-6-(difluoromethyl)-5-methylpyridin-3-yl)acetic acid Using HRMS and NMR". Sci. Total Environ., 2014, 2149, (3), 4865-4883.