发明人沈红梅,钱学锋,孙丽萍. "Method for the Synthesis of 1-[2-(3-amino-1H-pyrazol-1-yl)ethyl]imidazolidin-2-one" [P]. 中国发明专利, 专利号 CN 112195364 B, 授权公告日 2021-01-08.
发明人李文辉,唐晓军,罗永刚. "A Process for Preparing High-Purity 1-[2-(3-amino-1H-pyrazol-1-yl)ethyl]imidazolidin-2-one" [P]. 中国发明专利, 专利号 CN 111784141 A, 授权公告日 2023-08-28.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of 1-[2-(3-amino-1H-pyrazol-1-yl)ethyl]imidazolidin-2-one in Pharmaceutical Formulations". Molecules, 2019, 874, (5), 7051-7057.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of 1-[2-(3-amino-1H-pyrazol-1-yl)ethyl]imidazolidin-2-one as an Impurity". Environ. Sci. Technol., 2025, 2259, 504-521.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 1-[2-(3-amino-1H-pyrazol-1-yl)ethyl]imidazolidin-2-one Using HRMS and NMR". Food Chem., 2013, 151, 8051-8069.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate 1-[2-(3-amino-1H-pyrazol-1-yl)ethyl]imidazolidin-2-one Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2021, 2247, 1599-1606.