发明人朱建伟,马晓峰,郭海燕. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116482157 A, 授权公告日 2022-06-12.
Park J H, Davis P L, Johnson M A. "Method for the Synthesis of 2-(Difluoromethyl)-3-fluoropyridine-6-acetic acid" [P]. US Patent, US 11188850 B2, 2021-06-18.
发明人黄志刚,杨光,陈志强. "A Process for Preparing High-Purity 2-(Difluoromethyl)-3-fluoropyridine-6-acetic acid" [P]. 中国发明专利, 专利号 CN 117214987 A, 授权公告日 2021-03-22.
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". Talanta, 2020, 1374, (9), 5395-5401.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2012, 1534, 196-217.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-3-fluoropyridine-6-acetic acid Using HRMS and NMR". J. Chromatogr. A, 2017, 504, 1628-1641.