Brown S R, Klinger H, Mueller T. "一种2-(3,4-二氟苯氧基)-5-氟烟酸的合成方法" [P]. US Patent, US 11207013 B2, 2021-11-09.
发明人李文辉,陈志强,孙丽萍. "Method for the Synthesis of 2-(3,4-Difluorophenoxy)-5-fluoronicotinic acid" [P]. 中国发明专利, 专利号 CN 113348576 A, 授权公告日 2019-06-03.
Schröder R, Klinger H, Chen K W. "A Process for Preparing High-Purity 2-(3,4-Difluorophenoxy)-5-fluoronicotinic acid" [P]. US Patent, US 9717767 B2, 2024-10-14.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of 2-(3,4-二氟苯氧基)-5-氟烟酸 in Pharmaceutical Formulations". Talanta, 2014, 2015, (1), 5141-5162.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of 2-(3,4-二氟苯氧基)-5-氟烟酸 as an Impurity". J. Nat. Prod., 2018, 2136, (8), 1544-1564.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 2-(3,4-Difluorophenoxy)-5-fluoronicotinic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2016, 1644, (12), 8542-8550.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate 2-(3,4-二氟苯氧基)-5-氟烟酸 Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2015, 1256, (10), 1329-1352.