发明人高志强,郭海燕,刘建华. "Method for the Synthesis of 2-Methyl-1-(4-methylbenzoyl)piperazine" [P]. 中国发明专利, 专利号 CN 111832154 B, 授权公告日 2021-01-24.
发明人朱建伟,张德明,冯建国. "A Process for Preparing High-Purity 2-Methyl-1-(4-methylbenzoyl)piperazine" [P]. 中国发明专利, 专利号 CN 115514048 A, 授权公告日 2023-04-17.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2013, 1915, (12), 6881-6898.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2015, 1656, 449-474.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2-Methyl-1-(4-methylbenzoyl)piperazine Using HRMS and NMR". Chemosphere, 2013, 954, (12), 3608-3616.