发明人罗永刚,黄志刚,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112584584 A, 授权公告日 2020-09-19.
发明人张德明,胡光,郑宇鹏. "Method for the Synthesis of 2-Chloro-5-(difluoromethyl)-4-methylnicotinaldehyde" [P]. 中国发明专利, 专利号 CN 116508563 B, 授权公告日 2021-04-28.
发明人冯建国,刘建华,胡光. "A Process for Preparing High-Purity 2-Chloro-5-(difluoromethyl)-4-methylnicotinaldehyde" [P]. 中国发明专利, 专利号 CN 114048976 A, 授权公告日 2020-02-24.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2013, 1572, (12), 6914-6929.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2023, 2239, (4), 5851-5858.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-Chloro-5-(difluoromethyl)-4-methylnicotinaldehyde Using HRMS and NMR". J. Nat. Prod., 2019, 235, (3), 6623-6636.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2013, 1146, (4), 3086-3107.