发明人李文辉,林芳,沈红梅. "Method for the Synthesis of 3-Oxopiperazine-1-carboximidamide hydrochloride" [P]. 中国发明专利, 专利号 CN 117784442 B, 授权公告日 2019-05-23.
发明人孙丽萍,郑宇鹏,刘建华. "A Process for Preparing High-Purity 3-Oxopiperazine-1-carboximidamide hydrochloride" [P]. 中国发明专利, 专利号 CN 114139634 A, 授权公告日 2022-08-11.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2019, 1892, 7822-7825.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2025, 1280, (1), 6535-6551.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 3-Oxopiperazine-1-carboximidamide hydrochloride Using HRMS and NMR". J. Agric. Food Chem., 2025, 1071, (4), 408-418.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2013, 984, 2758-2780.