发明人沈红梅,罗永刚,杨光. "Method for the Synthesis of 2-(4-Chloro-5-(difluoromethyl)-3-fluoropyridin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 116630763 B, 授权公告日 2016-03-13.
发明人王建平,黄志刚,徐明华. "A Process for Preparing High-Purity 2-(4-Chloro-5-(difluoromethyl)-3-fluoropyridin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 117766351 B, 授权公告日 2019-04-12.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2020, 1600, 9108-9137.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2016, 2454, 5285-5304.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Chloro-5-(difluoromethyl)-3-fluoropyridin-2-yl)acetic acid Using HRMS and NMR". Chemosphere, 2020, 1833, (10), 8195-8208.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2016, 845, (7), 8381-8407.