Anderson J P, Park J H, Schröder R. "Method for the Synthesis of 2,3-Difluoro-4-(hydroxymethyl)benzoic acid" [P]. US Patent, US 11513182 B2, 2015-07-28.
Yamamoto T, Davis P L, O'Brien P Q. "A Process for Preparing High-Purity 2,3-Difluoro-4-(hydroxymethyl)benzoic acid" [P]. US Patent, US 9039789 B2, 2023-07-19.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2015, 1972, 2146-2171.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2025, 1470, 4552-4568.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2,3-Difluoro-4-(hydroxymethyl)benzoic acid Using HRMS and NMR". J. Chromatogr. A, 2019, 1215, (2), 3129-3151.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2010, 607, (5), 2025-2029.