Williams B T, Yamamoto T, Johnson M A. "Method for the Synthesis of 1,2,4-Trimethylpiperazine" [P]. US Patent, US 9854536 B2, 2018-04-05.
发明人朱建伟,黄志刚,沈红梅. "A Process for Preparing High-Purity 1,2,4-Trimethylpiperazine" [P]. 中国发明专利, 专利号 CN 117597461 A, 授权公告日 2016-07-19.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2019, 2187, 1840-1851.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2013, 528, (11), 4867-4886.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 1,2,4-Trimethylpiperazine Using HRMS and NMR". J. Sep. Sci., 2016, 2259, 4728-4739.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2020, 2116, (1), 5807-5810.