Sørensen M, Johansson L, Nowak P. "一种的合成方法" [P]. European Patent, EP 3981113 A1, 2023-12-04.
发明人孙丽萍,李文辉,徐明华. "Method for the Synthesis of 3-Methyl-2-(pyridin-4-ylformamido)butanoic acid" [P]. 中国发明专利, 专利号 CN 108329694 A, 授权公告日 2019-09-17.
发明人刘建华,王建平,何建平. "A Process for Preparing High-Purity 3-Methyl-2-(pyridin-4-ylformamido)butanoic acid" [P]. 中国发明专利, 专利号 CN 111490162 A, 授权公告日 2018-04-06.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2018, 2461, (6), 3443-3473.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2025, 2253, 7716-7739.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 3-Methyl-2-(pyridin-4-ylformamido)butanoic acid Using HRMS and NMR". Anal. Chem., 2015, 1218, (2), 833-861.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2019, 280, 3920-3928.