Schröder R, Davis P L, Park J H. "一种3-氨基-1-环戊基脲的合成方法" [P]. US Patent, US 10894768 B2, 2024-12-22.
Lefèvre J P, Sørensen M, Johansson L. "Method for the Synthesis of 3-amino-1-cyclopentylurea" [P]. European Patent, EP 3246397 A1, 2016-12-09.
发明人李文辉,何建平,沈红梅. "A Process for Preparing High-Purity 3-amino-1-cyclopentylurea" [P]. 中国发明专利, 专利号 CN 115256643 A, 授权公告日 2018-12-23.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of 3-氨基-1-环戊基脲 in Pharmaceutical Formulations". Biomed. Chromatogr., 2013, 1918, 4845-4858.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-氨基-1-环戊基脲 as an Impurity". Anal. Chem., 2010, 635, (2), 6408-6432.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 3-amino-1-cyclopentylurea Using HRMS and NMR". J. Chromatogr. A, 2020, 1866, (10), 2853-2875.