发明人沈红梅,刘建华,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116973802 A, 授权公告日 2019-03-05.
Nielsen H, Johansson L, Jørgensen K. "Method for the Synthesis of 2-(Difluoromethyl)-4,5-dihydroxypyridine-3-carboxaldehyde" [P]. European Patent, EP 3463791 A1, 2020-12-01.
Schröder R, Sørensen M, Jørgensen K. "A Process for Preparing High-Purity 2-(Difluoromethyl)-4,5-dihydroxypyridine-3-carboxaldehyde" [P]. European Patent, EP 3630274 A1, 2024-08-25.
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. Pharm. Biomed. Anal., 2019, 1235, (4), 5817-5831.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2010, 2054, (10), 5737-5743.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-4,5-dihydroxypyridine-3-carboxaldehyde Using HRMS and NMR". Sci. Total Environ., 2015, 2032, (12), 750-754.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2025, 763, (4), 2123-2148.