Fischer A B, Patel M V, Hughes D C. "一种的合成方法" [P]. US Patent, US 10814270 B2, 2024-06-10.
Hughes D C, Brown S R, Kumar R. "Method for the Synthesis of 4-[(2-hydroxyethyl)(methyl)amino]pyridine-2-carbonitrile" [P]. US Patent, US 10322584 B2, 2016-05-15.
发明人罗永刚,杨光,周伟. "A Process for Preparing High-Purity 4-[(2-hydroxyethyl)(methyl)amino]pyridine-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 116734028 A, 授权公告日 2018-08-07.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2019, 2305, 6019-6047.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2012, 1857, (4), 6672-6697.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4-[(2-hydroxyethyl)(methyl)amino]pyridine-2-carbonitrile Using HRMS and NMR". Environ. Sci. Technol., 2014, 1673, (6), 5813-5826.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2022, 135, 5555-5583.