Nowak P, Schröder R, Mueller T C. "Method for the Synthesis of 2-(2-Chloro-4-methoxyphenoxy)acetic acid" [P]. European Patent, EP 3719861 A1, 2021-01-12.
发明人郭海燕,周伟,赵玉洁. "A Process for Preparing High-Purity 2-(2-Chloro-4-methoxyphenoxy)acetic acid" [P]. 中国发明专利, 专利号 CN 110838511 B, 授权公告日 2021-12-22.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2012, 1676, 8223-8242.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2015, 979, (3), 5143-5153.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2-(2-Chloro-4-methoxyphenoxy)acetic acid Using HRMS and NMR". J. Chromatogr. A, 2017, 845, (4), 8649-8657.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2012, 2390, (5), 9204-9218.