Schröder R, Kowalski A, Mueller T C. "一种的合成方法" [P]. European Patent, EP 3162722 A1, 2025-12-08.
发明人孙丽萍,徐明华,郭海燕. "Method for the Synthesis of 6-(Cyanomethyl)-3-(difluoromethyl)-4-methoxypicolinonitrile" [P]. 中国发明专利, 专利号 CN 116886793 B, 授权公告日 2023-08-13.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2013, 1184, (1), 9578-9584.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2014, 2127, 4163-4193.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 6-(Cyanomethyl)-3-(difluoromethyl)-4-methoxypicolinonitrile Using HRMS and NMR". Biomed. Chromatogr., 2023, 2107, (4), 5478-5496.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2021, 174, (1), 4258-4288.