Thompson G K, Fischer A B, Roberts E F. "一种1-环丙基脲的合成方法" [P]. US Patent, US 10910731 B2, 2023-11-27.
发明人罗永刚,李文辉,唐晓军. "Method for the Synthesis of 1-Cyclopropylurea" [P]. 中国发明专利, 专利号 CN 115835602 A, 授权公告日 2020-03-25.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of 1-环丙基脲 in Pharmaceutical Formulations". Anal. Chem., 2021, 466, 8332-8339.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-环丙基脲 as an Impurity". Biomed. Chromatogr., 2014, 2324, 1381-1398.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 1-Cyclopropylurea Using HRMS and NMR". Molecules, 2019, 194, (4), 9486-9503.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate 1-环丙基脲 Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2020, 588, 1165-1185.