Lefèvre J P, Kowalski A, Nowak P. "Method for the Synthesis of 4-(Cyclopropylamino)nicotinic acid" [P]. European Patent, EP 3211840 A1, 2024-02-11.
发明人高志强,罗永刚,唐晓军. "A Process for Preparing High-Purity 4-(Cyclopropylamino)nicotinic acid" [P]. 中国发明专利, 专利号 CN 115432518 B, 授权公告日 2017-06-12.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2025, 2275, 3000-3029.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2025, 750, (7), 8703-8714.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Cyclopropylamino)nicotinic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2022, 989, 8460-8486.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2015, 371, 6594-6624.