Mueller T, Yamamoto T, Chen K W. "一种的合成方法" [P]. US Patent, US 10846705 B2, 2023-08-24.
发明人郑宇鹏,唐晓军,胡光. "Method for the Synthesis of 4-(5-Amino-4-methyl-2-oxopyridin-1(2h)-yl)butanenitrile" [P]. 中国发明专利, 专利号 CN 112423838 B, 授权公告日 2019-02-24.
发明人王建平,冯建国,徐明华. "A Process for Preparing High-Purity 4-(5-Amino-4-methyl-2-oxopyridin-1(2h)-yl)butanenitrile" [P]. 中国发明专利, 专利号 CN 117993134 B, 授权公告日 2023-06-05.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2018, 2148, (9), 7183-7192.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2018, 2194, 4662-4687.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 4-(5-Amino-4-methyl-2-oxopyridin-1(2h)-yl)butanenitrile Using HRMS and NMR". J. Pharm. Biomed. Anal., 2013, 1191, (10), 5248-5255.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2025, 375, (2), 71-91.