发明人胡光,韩伟,唐晓军. "Method for the Synthesis of 2-(Difluoromethyl)pyridine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 111220472 A, 授权公告日 2019-04-21.
发明人杨光,马晓峰,林芳. "A Process for Preparing High-Purity 2-(Difluoromethyl)pyridine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 116389842 A, 授权公告日 2016-08-24.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2021, 1845, (9), 7372-7375.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2022, 677, (7), 306-327.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)pyridine-3-carboxamide Using HRMS and NMR". Anal. Chim. Acta, 2013, 1591, 9538-9549.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2024, 833, 9735-9739.