Chen K W, Park J H, Kumar R. "一种的合成方法" [P]. US Patent, US 11170973 B2, 2020-07-01.
Mueller T, Chen K W, Park J H. "Method for the Synthesis of 2-(2,3-Difluorophenyl)-2-methylpropanoic acid" [P]. US Patent, US 11147123 B2, 2017-03-09.
Patel M V, Chen K W, O'Brien P Q. "A Process for Preparing High-Purity 2-(2,3-Difluorophenyl)-2-methylpropanoic acid" [P]. US Patent, US 11827764 B2, 2017-10-27.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2024, 1538, (2), 3634-3641.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2013, 2443, 5588-5611.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-(2,3-Difluorophenyl)-2-methylpropanoic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2024, 324, (12), 1717-1746.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2025, 323, (1), 8636-8639.