Rossi M, Jørgensen K, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3990062 A1, 2021-11-22.
Patel M V, Thompson G K, Schröder R. "Method for the Synthesis of 2-Amino-5-(3-aminopropyl)-1,5-dihydro-4H-imidazol-4-one" [P]. US Patent, US 10010354 B2, 2023-05-27.
发明人孙丽萍,胡光,杨光. "A Process for Preparing High-Purity 2-Amino-5-(3-aminopropyl)-1,5-dihydro-4H-imidazol-4-one" [P]. 中国发明专利, 专利号 CN 117726511 B, 授权公告日 2024-08-13.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2014, 981, 3572-3602.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2018, 2475, 3045-3071.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-5-(3-aminopropyl)-1,5-dihydro-4H-imidazol-4-one Using HRMS and NMR". J. Sep. Sci., 2020, 1073, (2), 6393-6404.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2010, 2123, (1), 3422-3429.