发明人胡光,罗永刚,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109771107 A, 授权公告日 2020-11-05.
发明人朱建伟,钱学锋,李文辉. "Method for the Synthesis of 2-(4,6-Diamino-3-(difluoromethyl)pyridin-2-yl)acetonitrile" [P]. 中国发明专利, 专利号 CN 114558160 B, 授权公告日 2025-11-04.
发明人徐明华,郭海燕,张德明. "A Process for Preparing High-Purity 2-(4,6-Diamino-3-(difluoromethyl)pyridin-2-yl)acetonitrile" [P]. 中国发明专利, 专利号 CN 115991378 A, 授权公告日 2023-08-10.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2012, 1103, (7), 2816-2820.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2022, 1631, 8993-9004.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4,6-Diamino-3-(difluoromethyl)pyridin-2-yl)acetonitrile Using HRMS and NMR". J. Agric. Food Chem., 2019, 1202, (9), 4900-4926.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2023, 1502, (12), 8837-8849.