发明人黄志刚,徐明华,王建平. "Method for the Synthesis of 5-(2,2-Difluoro-ethoxy)-pyridine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108613396 B, 授权公告日 2022-06-20.
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. Chromatogr. A, 2017, 1083, 1746-1773.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2020, 96, 3162-3170.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 5-(2,2-Difluoro-ethoxy)-pyridine-2-carboxylic acid Using HRMS and NMR". Sci. Total Environ., 2023, 94, (1), 2543-2554.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2011, 1081, 7133-7143.