发明人何建平,黄志刚,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115815636 A, 授权公告日 2015-05-04.
发明人杨光,何建平,唐晓军. "Method for the Synthesis of 2-(Difluoromethyl)-5-hydroxypyridine-3-acetic acid" [P]. 中国发明专利, 专利号 CN 117179201 A, 授权公告日 2017-12-05.
发明人高志强,刘建华,周伟. "A Process for Preparing High-Purity 2-(Difluoromethyl)-5-hydroxypyridine-3-acetic acid" [P]. 中国发明专利, 专利号 CN 115421592 A, 授权公告日 2018-12-05.
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". J. Sep. Sci., 2021, 345, 3828-3836.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2011, 383, (12), 9728-9737.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-5-hydroxypyridine-3-acetic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2019, 783, (8), 8517-8541.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2025, 675, (5), 6102-6108.