发明人何建平,朱建伟,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111726879 A, 授权公告日 2020-11-21.
发明人韩伟,罗永刚,黄志刚. "Method for the Synthesis of 2,6-Diamino-5-((pyridin-4-ylmethyl)amino)pyrimidin-4(1H)-one" [P]. 中国发明专利, 专利号 CN 110766369 B, 授权公告日 2023-01-12.
发明人赵玉洁,沈红梅,黄志刚. "A Process for Preparing High-Purity 2,6-Diamino-5-((pyridin-4-ylmethyl)amino)pyrimidin-4(1H)-one" [P]. 中国发明专利, 专利号 CN 108226023 B, 授权公告日 2023-08-01.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2019, 1323, (7), 8408-8423.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2020, 679, (2), 7885-7891.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 2,6-Diamino-5-((pyridin-4-ylmethyl)amino)pyrimidin-4(1H)-one Using HRMS and NMR". J. Pharm. Biomed. Anal., 2013, 2153, (4), 7092-7106.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2011, 1165, 3689-3702.