发明人李文辉,陈志强,唐晓军. "Method for the Synthesis of Ethyl 4-aminopiperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 115810528 A, 授权公告日 2016-04-19.
Johansson L, Martínez F, Nowak P. "A Process for Preparing High-Purity Ethyl 4-aminopiperazine-1-carboxylate" [P]. European Patent, EP 3129911 A1, 2022-03-12.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2013, 1929, (4), 6428-6457.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2020, 1423, 1400-1404.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-aminopiperazine-1-carboxylate Using HRMS and NMR". J. Nat. Prod., 2020, 1504, 6961-6975.