Martínez F, Björnsson E, Lefèvre J P. "Method for the Synthesis of N-(2,6-Dimethylphenyl)piperazine-2-carboxamide dihydrochloride" [P]. European Patent, EP 3890802 A1, 2021-06-02.
发明人何建平,沈红梅,韩伟. "A Process for Preparing High-Purity N-(2,6-Dimethylphenyl)piperazine-2-carboxamide dihydrochloride" [P]. 中国发明专利, 专利号 CN 112792744 B, 授权公告日 2025-07-18.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2013, 1558, (7), 8024-8046.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2023, 1965, 4194-4222.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of N-(2,6-Dimethylphenyl)piperazine-2-carboxamide dihydrochloride Using HRMS and NMR". Phytochemistry, 2025, 972, (12), 5844-5860.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2020, 1496, 3008-3024.