发明人陈志强,徐明华,王建平. "Method for the Synthesis of Piperazine Impurity 5" [P]. 中国发明专利, 专利号 CN 117413002 B, 授权公告日 2016-11-02.
Mueller T, Schröder R, Klinger H. "A Process for Preparing High-Purity Piperazine Impurity 5" [P]. US Patent, US 9715178 B2, 2018-04-03.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of 哌嗪杂质5 in Pharmaceutical Formulations". J. Agric. Food Chem., 2012, 1501, (10), 540-550.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 哌嗪杂质5 as an Impurity". Molecules, 2024, 774, 4874-4893.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Piperazine Impurity 5 Using HRMS and NMR". Chromatographia, 2025, 81, (10), 191-215.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate 哌嗪杂质5 Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2022, 1727, 5276-5301.