发明人郭海燕,郑宇鹏,赵玉洁. "Method for the Synthesis of 6-Methoxy-N2-[(1-methyl-1H-pyrazol-3-yl)methyl]pyridine-2,5-diamine" [P]. 中国发明专利, 专利号 CN 111290219 B, 授权公告日 2025-04-01.
发明人朱建伟,刘建华,郑宇鹏. "A Process for Preparing High-Purity 6-Methoxy-N2-[(1-methyl-1H-pyrazol-3-yl)methyl]pyridine-2,5-diamine" [P]. 中国发明专利, 专利号 CN 108186425 B, 授权公告日 2023-10-20.
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". J. Pharm. Biomed. Anal., 2013, 1625, (11), 8189-8215.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2020, 143, 9092-9122.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 6-Methoxy-N2-[(1-methyl-1H-pyrazol-3-yl)methyl]pyridine-2,5-diamine Using HRMS and NMR". Anal. Chem., 2019, 1290, (2), 556-576.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2022, 2109, (4), 1483-1501.