发明人孙丽萍,赵玉洁,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114841521 A, 授权公告日 2020-07-25.
Kumar R, Roberts E F, Hughes D C. "Method for the Synthesis of (Cyclopentylmethyl)urea" [P]. US Patent, US 11802465 B2, 2018-10-22.
发明人朱建伟,胡光,郭海燕. "A Process for Preparing High-Purity (Cyclopentylmethyl)urea" [P]. 中国发明专利, 专利号 CN 108058020 A, 授权公告日 2025-10-20.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2014, 2161, 2024-2049.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2011, 1032, (9), 2525-2538.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of (Cyclopentylmethyl)urea Using HRMS and NMR". Anal. Chem., 2016, 123, (8), 9913-9920.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2011, 1947, (11), 2848-2860.