发明人何建平,郑宇鹏,赵玉洁. "一种4,6-二甲氧基吡啶甲腈的合成方法" [P]. 中国发明专利, 专利号 CN 112739497 A, 授权公告日 2023-06-28.
发明人胡光,韩伟,黄志刚. "Method for the Synthesis of 4,6-Dimethoxypicolinonitrile" [P]. 中国发明专利, 专利号 CN 111160665 A, 授权公告日 2020-04-15.
发明人钱学锋,刘建华,韩伟. "A Process for Preparing High-Purity 4,6-Dimethoxypicolinonitrile" [P]. 中国发明专利, 专利号 CN 109575938 A, 授权公告日 2018-03-06.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of 4,6-二甲氧基吡啶甲腈 in Pharmaceutical Formulations". Chromatographia, 2016, 392, 7643-7647.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4,6-二甲氧基吡啶甲腈 as an Impurity". Chemosphere, 2022, 1166, (5), 6076-6100.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 4,6-Dimethoxypicolinonitrile Using HRMS and NMR". Anal. Methods, 2020, 1082, (6), 4188-4194.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate 4,6-二甲氧基吡啶甲腈 Profile in Drug Substances According to ICH Guidelines". Molecules, 2011, 1027, (12), 6046-6049.