O'Brien P Q, Klinger H, Yamamoto T. "一种的合成方法" [P]. US Patent, US 11648772 B2, 2017-03-20.
发明人何建平,韩伟,马晓峰. "Method for the Synthesis of 4-((4-Methylpiperazin-1-yl)methyl)picolinonitrile" [P]. 中国发明专利, 专利号 CN 115236317 A, 授权公告日 2025-12-22.
发明人韩伟,周伟,李文辉. "A Process for Preparing High-Purity 4-((4-Methylpiperazin-1-yl)methyl)picolinonitrile" [P]. 中国发明专利, 专利号 CN 109866105 A, 授权公告日 2024-08-28.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2018, 956, (2), 4805-4816.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2016, 2009, (8), 6028-6043.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 4-((4-Methylpiperazin-1-yl)methyl)picolinonitrile Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2013, 637, (2), 3347-3372.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2021, 1611, (9), 5231-5237.