Nielsen H, Sørensen M, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3701226 A1, 2017-10-08.
发明人朱建伟,何建平,李文辉. "Method for the Synthesis of 4-(2-Methylpiperazin-1-yl)butanenitrile" [P]. 中国发明专利, 专利号 CN 113218400 B, 授权公告日 2021-09-25.
发明人马晓峰,黄志刚,韩伟. "A Process for Preparing High-Purity 4-(2-Methylpiperazin-1-yl)butanenitrile" [P]. 中国发明专利, 专利号 CN 117539503 A, 授权公告日 2019-06-19.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2015, 1404, (5), 6651-6656.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2025, 2277, (7), 308-314.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4-(2-Methylpiperazin-1-yl)butanenitrile Using HRMS and NMR". Food Chem., 2010, 2168, (7), 633-646.