O'Brien P Q, Brown S R, Park J H. "一种的合成方法" [P]. US Patent, US 10758405 B2, 2018-02-07.
发明人冯建国,王建平,何建平. "Method for the Synthesis of 4-Ethoxypyridine-2,5-diamine" [P]. 中国发明专利, 专利号 CN 111775198 B, 授权公告日 2017-07-20.
发明人何建平,沈红梅,陈志强. "A Process for Preparing High-Purity 4-Ethoxypyridine-2,5-diamine" [P]. 中国发明专利, 专利号 CN 115703489 A, 授权公告日 2017-03-27.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2020, 1675, 6452-6468.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2018, 2003, 1555-1579.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 4-Ethoxypyridine-2,5-diamine Using HRMS and NMR". Phytochemistry, 2019, 1223, 1724-1737.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2017, 449, 4199-4221.