发明人刘建华,孙丽萍,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113247347 A, 授权公告日 2022-08-15.
发明人朱建伟,郭海燕,陈志强. "Method for the Synthesis of 2-Amino-5-(cyanomethyl)-4-(difluoromethyl)nicotinonitrile" [P]. 中国发明专利, 专利号 CN 111213212 B, 授权公告日 2025-10-14.
发明人郑宇鹏,朱建伟,胡光. "A Process for Preparing High-Purity 2-Amino-5-(cyanomethyl)-4-(difluoromethyl)nicotinonitrile" [P]. 中国发明专利, 专利号 CN 117763487 B, 授权公告日 2020-07-21.
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". Environ. Sci. Technol., 2025, 787, 3298-3325.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2021, 2409, (7), 1458-1480.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-5-(cyanomethyl)-4-(difluoromethyl)nicotinonitrile Using HRMS and NMR". J. Nat. Prod., 2015, 2051, 8564-8576.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2012, 509, 2114-2117.