发明人沈红梅,张德明,徐明华. "Method for the Synthesis of 3-(2-Chloroethyl)-1-(propan-2-yl)urea" [P]. 中国发明专利, 专利号 CN 112427663 B, 授权公告日 2022-10-14.
发明人杨光,韩伟,何建平. "A Process for Preparing High-Purity 3-(2-Chloroethyl)-1-(propan-2-yl)urea" [P]. 中国发明专利, 专利号 CN 113932866 B, 授权公告日 2019-06-07.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2019, 2009, (10), 4467-4496.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2021, 1490, 8564-8569.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 3-(2-Chloroethyl)-1-(propan-2-yl)urea Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2013, 2133, (4), 4634-4653.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2020, 1869, (6), 2470-2473.