发明人王建平,郑宇鹏,赵玉洁. "Method for the Synthesis of 6-Amino-4-chloro-5-(difluoromethyl)picolinic acid" [P]. 中国发明专利, 专利号 CN 110521275 A, 授权公告日 2021-10-20.
发明人孙丽萍,韩伟,李文辉. "A Process for Preparing High-Purity 6-Amino-4-chloro-5-(difluoromethyl)picolinic acid" [P]. 中国发明专利, 专利号 CN 117876809 B, 授权公告日 2020-03-16.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2019, 263, (6), 4529-4538.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2017, 185, 3780-3809.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 6-Amino-4-chloro-5-(difluoromethyl)picolinic acid Using HRMS and NMR". Talanta, 2016, 279, 9003-9012.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2021, 1931, 7466-7495.