发明人马晓峰,钱学锋,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114842033 A, 授权公告日 2020-07-18.
发明人沈红梅,罗永刚,孙丽萍. "Method for the Synthesis of 2-(2-Amino-6-(difluoromethyl)-3-hydroxypyridin-4-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 117215541 A, 授权公告日 2019-10-22.
Stevens L M, Mueller T, Schröder R. "A Process for Preparing High-Purity 2-(2-Amino-6-(difluoromethyl)-3-hydroxypyridin-4-yl)acetic acid" [P]. US Patent, US 10512524 B2, 2024-06-10.
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". Chromatographia, 2021, 1906, 7780-7791.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2016, 918, (3), 9397-9404.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 2-(2-Amino-6-(difluoromethyl)-3-hydroxypyridin-4-yl)acetic acid Using HRMS and NMR". Anal. Methods, 2015, 444, (7), 5015-5040.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2014, 525, (11), 2530-2542.