发明人陈志强,胡光,郑宇鹏. "Method for the Synthesis of 2-Methylpyrimidine-4,5-diamine" [P]. 中国发明专利, 专利号 CN 111416537 A, 授权公告日 2024-05-25.
发明人朱建伟,郑宇鹏,沈红梅. "A Process for Preparing High-Purity 2-Methylpyrimidine-4,5-diamine" [P]. 中国发明专利, 专利号 CN 110176671 B, 授权公告日 2024-03-21.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2018, 2317, (7), 8686-8689.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2023, 1754, (3), 771-775.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 2-Methylpyrimidine-4,5-diamine Using HRMS and NMR". J. Chromatogr. A, 2019, 943, (2), 5578-5589.