Hughes D C, Kumar R, Roberts E F. "一种的合成方法" [P]. US Patent, US 9228256 B2, 2019-11-15.
发明人陈志强,徐明华,沈红梅. "Method for the Synthesis of 1-(2-Amino-3-methylbutyl)-3-ethylurea" [P]. 中国发明专利, 专利号 CN 113573361 B, 授权公告日 2017-10-06.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2023, 734, (5), 4376-4384.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2013, 1520, (10), 6473-6481.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 1-(2-Amino-3-methylbutyl)-3-ethylurea Using HRMS and NMR". J. Chromatogr. A, 2016, 2179, (4), 7784-7812.