发明人胡光,孙丽萍,何建平. "Method for the Synthesis of 5-Hydroxypiperazine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111428879 B, 授权公告日 2020-03-08.
Stevens L M, Brown S R, Roberts E F. "A Process for Preparing High-Purity 5-Hydroxypiperazine-2-carboxylic acid" [P]. US Patent, US 9517940 B2, 2025-08-14.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2014, 1054, 2664-2693.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2022, 813, 3718-3736.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of 5-Hydroxypiperazine-2-carboxylic acid Using HRMS and NMR". Biomed. Chromatogr., 2011, 387, (12), 4310-4334.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2021, 2294, 1946-1950.