Martínez F, Johansson L, Rossi M. "一种的合成方法" [P]. European Patent, EP 3618916 A1, 2019-08-23.
Johnson M A, Kumar R, Stevens L M. "Method for the Synthesis of 2-[(4-{[(Tert-butoxy)carbonyl]amino}butyl)amino]pyridine-3-carboxylic acid" [P]. US Patent, US 10658814 B2, 2018-01-26.
发明人郑宇鹏,冯建国,张德明. "A Process for Preparing High-Purity 2-[(4-{[(Tert-butoxy)carbonyl]amino}butyl)amino]pyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117322326 A, 授权公告日 2021-11-09.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2010, 856, (4), 3362-3386.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2015, 920, (11), 9313-9325.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-[(4-{[(Tert-butoxy)carbonyl]amino}butyl)amino]pyridine-3-carboxylic acid Using HRMS and NMR". Chemosphere, 2018, 979, (1), 4399-4407.