Yamamoto T, Hughes D C, Anderson J P. "一种的合成方法" [P]. US Patent, US 9765742 B2, 2023-09-16.
发明人马晓峰,张德明,陈志强. "Method for the Synthesis of 1-(Pyrazine-2-carbonyl)azetidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111898742 A, 授权公告日 2016-10-05.
发明人马晓峰,郭海燕,孙丽萍. "A Process for Preparing High-Purity 1-(Pyrazine-2-carbonyl)azetidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116675337 B, 授权公告日 2019-01-13.
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". Anal. Chim. Acta, 2021, 1843, (5), 8477-8495.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2010, 1663, 4220-4234.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 1-(Pyrazine-2-carbonyl)azetidine-3-carboxylic acid Using HRMS and NMR". Environ. Sci. Technol., 2018, 703, 3514-3527.