Davis P L, Johnson M A, Williams B T. "一种4-(2-imino-3-methyl-5-oxoimidazolidin-1-yl)butanoic acid的合成方法" [P]. US Patent, US 9446977 B2, 2021-12-26.
发明人杨光,罗永刚,何建平. "Method for the Synthesis of 4-(2-imino-3-methyl-5-oxoimidazolidin-1-yl)butanoic acid" [P]. 中国发明专利, 专利号 CN 108564330 A, 授权公告日 2023-07-18.
发明人徐明华,朱建伟,高志强. "A Process for Preparing High-Purity 4-(2-imino-3-methyl-5-oxoimidazolidin-1-yl)butanoic acid" [P]. 中国发明专利, 专利号 CN 114582808 A, 授权公告日 2022-05-13.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 4-(2-imino-3-methyl-5-oxoimidazolidin-1-yl)butanoic acid in Pharmaceutical Formulations". Anal. Chem., 2023, 1905, (4), 2864-2891.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-(2-imino-3-methyl-5-oxoimidazolidin-1-yl)butanoic acid as an Impurity". Biomed. Chromatogr., 2010, 1681, 787-811.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 4-(2-imino-3-methyl-5-oxoimidazolidin-1-yl)butanoic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2017, 675, (6), 898-922.