发明人刘建华,郭海燕,钱学锋. "Method for the Synthesis of 2-(4-Amino-6-cyano-5-(difluoromethyl)pyridin-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 114740867 B, 授权公告日 2024-11-19.
Sørensen M, Lefèvre J P, Mueller T C. "A Process for Preparing High-Purity 2-(4-Amino-6-cyano-5-(difluoromethyl)pyridin-2-yl)acetic acid" [P]. European Patent, EP 3230723 A1, 2023-11-16.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2018, 2255, (6), 7082-7095.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2022, 2197, (4), 1501-1526.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4-Amino-6-cyano-5-(difluoromethyl)pyridin-2-yl)acetic acid Using HRMS and NMR". J. Agric. Food Chem., 2012, 290, 9802-9828.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2012, 1402, (3), 3758-3778.