发明人孙丽萍,钱学锋,罗永刚. "Method for the Synthesis of 1-(5-Aminopyrazolidin-1-yl)ethanone" [P]. 中国发明专利, 专利号 CN 110346487 A, 授权公告日 2017-08-27.
发明人徐明华,沈红梅,刘建华. "A Process for Preparing High-Purity 1-(5-Aminopyrazolidin-1-yl)ethanone" [P]. 中国发明专利, 专利号 CN 110764877 A, 授权公告日 2015-05-03.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2025, 1763, 1551-1563.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2022, 1685, 4651-4672.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 1-(5-Aminopyrazolidin-1-yl)ethanone Using HRMS and NMR". J. Pharm. Biomed. Anal., 2011, 103, 1120-1136.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2011, 1746, 7592-7601.