发明人郑宇鹏,杨光,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112243547 A, 授权公告日 2020-11-08.
Schröder R, Roberts E F, Thompson G K. "Method for the Synthesis of 3-Chloro-4-ethoxy-5-fluorocinnamic acid" [P]. US Patent, US 11574397 B2, 2020-09-14.
发明人唐晓军,郭海燕,罗永刚. "A Process for Preparing High-Purity 3-Chloro-4-ethoxy-5-fluorocinnamic acid" [P]. 中国发明专利, 专利号 CN 113982413 A, 授权公告日 2023-12-21.
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". J. Agric. Food Chem., 2017, 852, 4201-4210.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2022, 217, (6), 6230-6247.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 3-Chloro-4-ethoxy-5-fluorocinnamic acid Using HRMS and NMR". J. Chromatogr. A, 2017, 2403, (9), 907-911.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2015, 1341, (10), 4229-4248.